Zip Cord Antennas and Feed Lines for Portable Applications by William Parmley, KR8L. Length Foot Wind MPH; CP62: 6m: 2-5/8 Wave : 500W SSB, 200W FM : UHF : 22' 80: CP610. Are you looking for a quick and convenient way to run a portable dipole without needing 2 or 3 supports or several antennas for portable or permanent operation?. The accompanying tuning box will allow operations on 15 meters as well. significant loss of antenna efficiency. Wire Antenna Trap Kit. It is also a good antenna for shortwave listening. This post relates to the design and build of a 160/80/40 Meter magnetic loop antenna. On 40 meters, two whips were about 1-1/2 S-units (about 10 dB) below the half-wave 40-meter dipole. Does anybody have any ideas for a portable NVIS antenna that can be put up by one person and that can be packed into a small carry on box? 80, 60, & 40 mtrs are the desired frequencies of operation. This 31 foot antenna is a tough ultra-lightweight (3. For a coaxial fed, "One Antenna Do All" you can't beat the off center fed antenna. So I have tried a couple different portable QRP antennas, in my search for the best QRP antenna. So what size would be worthy to try? Something 75 to 100 feet might be manageable. 40M NVIS Antenna…. It WILL greatly improve the performance on the 160 - 40 Meter bands as it reduces the size (and losses) of the loading coil. 65; Antenna Aesthetics QST June 2001, p. Antenna two: G5RV using 450 ohm ladder line and 102 ft of coperweld antenna wire. 99 > Get the Gadget Hacks Daily. Before I added 80 meter, I operated that band with a end-fed wire antenna. The Hy Power Off Center Fed Antenna is a very efficient and effective multi band antenna. Super wide bandwidth means more time operating ,and less time stuck on a frequency your trap vertical is tuned for. An HF Portable Antenna Paul R. 160m-10m broad band element fed by a third coax. OVER 2000 SOLD WITH PERFECT SUCCESS UJM-150 End Fed Antenna Matcher Made by a HAM for Hams BNC VERSION Tiny and light weight but ready and capable to put in work! This unit is encased in a 1"x 2"x 3" ABS box! And comes with a BNC connector shown. Equipment for portable HF operations, 2 - The (trans)portable HF antennas, that you antenna from Alpha is a folding vertical able to sustain 500 watts PEP between 6 and 80 meters. from an article published in 73 Magazine. The new Outreach 500 antenna covers 80 through 6. Merely unroll it an attach it to some supports and you are ready to communicate. This vertical antenna has no lossy traps or coils to burn out. With that said let's make our antenna resonant at 7. " As a result, we cannot show you the price in catalog or the product page. Needed materials are: 60 meters of wire for the antenna; 23 meter height. com in 3 categories. With "short" I mean between 3 and 10% of λ. There is insufficient space for vertical mounting of the loop and. The Buddipole™ - HF portable dipole antenna system, Welcome to the home of the Buddipole™, an hf/vhf portable dipole antenna system which is designed to be modular, versatile, and efficient. 17 Meter 72. Click HERE for Reviews. Unfollow 80 meter antenna to stop getting updates on your eBay Feed. The coax connector is at one end of the dipole, where it is most needed. I started out with an end fed half wave - one wire cut for 40 meters and one wire cut for 20 meters. Portable wire antenna for 40 and 80 meter made with a RF Chocke. Because you can tune almost anything to almost any band, it is possible to get 10 and 15 meter use too with the propagation issues described above. Most of us humans think an element that long is difficult to build an rotate much less keep up in the air reliably even for a single winter. All Bands Start with approximately ¼ wavelength of counterpoise for the band you are working, and adjust as. You have no obligation to purchase the product once you know the price. Since HF signals refract off the ionosphere back to earth, the lower the angle, the longer the distance. significant loss of antenna efficiency. We have put together some of the best selling and top brands of portable qrp antenna you can buy online. Also, an antenna tuner is required. Full size antennas are a bit awkward at 75 meters. Alpha Antenna Video Guide to Deploy the Tuner free and Directional 10-80 meter Alpha ProMaster Base and Trans Portable HF Antenna, shown with optional Expedition Bag and Steel tripod. The new 10-80 meter multiband military antenna for civilian use by Alpha Antenna is just as lightweight and sturdy as my ezMilitary, its former model described on another page of this web site. The top is 23 meters high and goes to the right to a pole on the roof of the house. Two 75-meter whips were almost three S-units (about 18. The Hy Power OCF80 80 meter version shows a positive SWR dip on the following bands: 6, 10, 12, 17, 20, 40 and 80 meters. " As a result, we cannot show you the price in catalog or the product page. 99 > Get the Gadget Hacks Daily. , so this antenna fits into a square area that is only about 50 ft. I chose 58' for Mid 80 Meter Operation. The measurements below are for building a Double Bazooka Near Vertical Incident Skywave (NVIS) Antenna. The SWR was 2. For digital modes. The Heart of these products is the "KT" series. So far it has weathered and worked quite well. 5 inch stubs (using Anderson powerpoles) to the end of the antenna resulted in a resonant frequency of 3. Most of us humans think an element that long is difficult to build an rotate much less keep up in the air reliably even for a single winter. END FED DIPOLE 80-6 meter Portable HF Antenna Matchbox System. #1 HF Portable Vertical Antenna worldwide. The Hy Power Off Center Fed Antenna is a very efficient and effective multi band antenna. WIKIPEDIA, The Last Word on (>80%) zVery Easy Experimentation zVery Easy Design (using online calculators) zVery Easy to Buy Measure with Capacitance Meter or Use Published Tables zBetter to Build "Capacitor Up". TAK-tenna 40 to 10 meter Multiband Antenna. Are you searching for a portable qrp antenna to buy? Then this post is for you. HUSTLER6BTV 6-Band HP Vertical HF Antenna 10 (11) 15 20 *30* 40 80 Meter bands 4 out of 5 stars 3 product ratings 3 product ratings - HUSTLER6BTV 6-Band HP Vertical HF Antenna 10 (11) 15 20 *30* 40 80 Meter bands. It utilizes an internal 9:1 UnUn and a BNC female antenna connector. TAK-tenna 40 to 10 meter Multiband Antenna. Welcome to the home of the Buddipole™, an hf/vhf portable dipole antenna system which is designed to be modular, versatile, and efficient. Compact and Portable Antenna Roundup QST March 1998, pp. You will have great band coverage on the 75-meter SSB or 80-meter CW portion of that band. Expanding on our experience …. With the view to establish a quick and easy multi-band antenna deployment for portable and camping operations a simple long wire antenna with an earth or earth plus counterpoise arrangement with a 9:1 voltage unun including a tuner or simply with a tuner is one possible solution. The Buddipole™ - HF portable dipole antenna system, Welcome to the home of the Buddipole™, an hf/vhf portable dipole antenna system which is designed to be modular, versatile, and efficient. 5MHz) loop (or frame) antenna has been really popular, and that there are loads of other radio amateurs who have taken my design and "ran with it" to produce variations that all have some great improvement. At ground level it performs as an NVIS antenna on 40 and 80 meters. After trimming, the 80 meter elements were about 4 feet long for a total antenna span of about 76. Mini No Tune End Fed Half Wave 80-10m Antenna. There are several ways to achieve this goal of a single antenna for 80 - 10 meters. Full size antennas are a bit awkward at 75 meters. Coax Antenna S K4mmg 2 And 6 Meter Antennas Using. Half way there is another 80 meter coax trap. The problem has been addressed in numerous publications for years, including, but not limited to the ARRL "Mobile Manual", the ARRL "Radio Amateurs Handbook", Editors & Engineers "Radio Handbook" and. Since Valor went under I don't know of anyone who makes a 160 Meter "hamstick" style of antenna so, I made one. Background. Before I added 80 meter, I operated that band with a end-fed wire antenna. It is a resonant Half wave on 80m (3. 40M NVIS Antenna…. The large diameter yields broadbanded coverage of the 80 Meter Band. great to be able to put wires on the towers or off my. Are you searching for a portable qrp antenna to buy? Then this post is for you. 5MHz) therefore also resonant on second, third and fourth harmonics, etc. It's a great HF antenna for the ham radio operator with a smaller backyard!. net) This 40-10 meter portable antenna uses switches to disconnect sections of the antenna for 20-10 meter operation, and clip-on inductors to extend operation to 30- and 40-meters. Also, an antenna tuner is required. Stock availability and shipping volume can delay shipping. 80 - 10 Meters. I came across the following antenna which covers the 80-10m bands with no traps and just one loading coil. The horizontal radiation pattern is similar to the pattern of the 40 meter band (broadside) Figure 3 but has four additional minor lobes. Silver Bullet 1000. CW / SSB / DIGI. A friend, WA7YLI, has similar interests. We have bare pc boards available for $10 each. #1 HF Portable Vertical Antenna worldwide. Frequency (MHz): 1. End-fed antenna for 80 metre operation The physical length of any HF antenna is critical to achieving resonance and good performance on a particular band. It provides for all-band operation from 80 through 6 meters continuously with just the use of an antenna tuner and no radials or grounding needed. communication on 75 Meters was started with a dipole at approximately 30 feet. , limited space amateur and rapid deployment operator in mind. Works great and gives several extra bands besides the 80/40/20/10 meters using Kenwood with. - Assembled in 20 minutes by two persons. MFJ-1778 G5RV Multiband Antenna 30 meter band: On 30 meters the MFJ-1778 (G5RV) functions as an extended double zepp. In exchange for simplicity and low cost you give up operational space, meaning, the antenna is small and lightweight for storage but when deployed it will take up a lot of linear feet. 8-Band Backpacker Special by Jim Andera, WB0KRX. The tuning process is the same as for the 40/80 dipole, excpet the 20 m wires are trimmed first to an SWR of 1. 65m long approx. Here's another fascinating portable antenna from Australian radio amateur Peter Parker (VK3YE). I couple that with my Jacktite 32 foot telescoping pole. A dipole fed with 300 ohm feeder can be …. Dentron Super super Tuner. 3/30/2018: Note: Throwing line for antenna kit will now be 100' of mil grade 1. (If you must use a half wave end-fed antenna, make SURE you ground the radio and the matching transformer secondary to avoid RF burns from the chassis. 10-80 meter Alpha 31 Foot Portable & Base antenna. I now have individual 80 and 40 meter NVIS antennas. The DXE-NVIS-8040S is a shortened NVIS wire antenna kit version that features loading coils to make the 80 meter dipole legs the same length as the 40 meter dipole legs, 34 ft. Needed materials are: 60 meters of wire for the antenna; 23 meter height. , so this antenna fits into a square area that is only about 50 ft. Our latest smartphone hacks — straight to your inbox. The single-wire-fed Windom is one the "oldies but goodies", dating from the 1920's or earlier. great to be able to put wires on the towers or off my. It also works fine on all bands above 40m with a tuner, and even below 40m on 60m, and 80m, although the coax losses will be higher. Web description. 20 Meter 133. Start with cutting the radiating and reflecting elements. Super wide bandwidth means more time operating ,and less time stuck on a frequency your trap vertical is tuned for. 80 - 10 Meters. You should glance at Yahoo's home page and note how they create post titles to grab viewers interested. All bands 80m-10m HF 3. "When I think back a few years. 65 MHz As you can see, we are at one end of the 40 meter band and the other end of the 80 meter band (a compromise), but will play very well on both bands. This antenna is 58 ft tall and is mounted on a hinged base. 165 wavelength (13 meters, ~41 feet). Make Offer - 784P Hf Mobile Antenna Coil, 80 - 10 meters SOTA, FIELD, Portable, Ham Radio NEW MiniWhip Active Antenna Assembled in Box HF LF VLF mini whip sdr RX portable $25. You would need 15 of the 5" plate sets ($90) or 6 of the 8" plate sets ($60) to achieve that much capacitance and handle 100 watts. 0, Bandwidth (2. 5 MHz to 29. 945 MHz, nightly, around 7 to 8 PM. Yaesu FT-817 Telescopic Antenna 10M. The 75-/80-meter sections are full-size dipoles. Magnetic Loop antenna 80-20 mtrs 40-10m "Yo-Yo" portable wire dipole Also, the SWR meter of my antenna tuner (tuner in bypass mode without bypassing the SWR-meter) shows 1:1 and my transmitter is perfectly happy without the tuner. 80-6 meters with an antenna length of 22' to 30'. The SlinkTenna is a compact, quick deploy, portable, helical ham radio antenna. , a 2-meter vertical, a 40-10 Meter Off Center Fed (OC F) Dipole, and a 10-meter rotatable aluminum dipole. - 80 Meters each leg 63 ft. The Buddipole™ - HF portable dipole antenna system, Welcome to the home of the Buddipole™, an hf/vhf portable dipole antenna system which is designed to be modular, versatile, and efficient. It can be installed and you can be on the air in about 90 seconds !. The new ruggedized version of the MP1 SUPER ANTENNA, 2 METER ADAPTER, TRIPOD, UNIVERSAL MOUNT, TITANIUM SUPER-WHIP, 80 & 60 METER COILs, and GO BAG. for over 50 years. So what size would be worthy to try? Something 75 to 100 feet might be manageable. The larger the wire, the wider the bandwidth. A friend, WA7YLI, has similar interests. The output power of the transceiver can vary from 1-10 Mhz 2,5 - 4 Watts, 14-30 Mhz 1,5 - 3 Watts, but not worse. (If you must use a half wave end-fed antenna, make SURE you ground the radio and the matching transformer secondary to avoid RF burns from the chassis. Web description. With that said let's make our antenna resonant at 7. I used so far BLT down to 40m and ZM-2 down to 80m. 25 An indoor inverted U wire antenna. The 40 meter 2:1. This picture shows a very simple antenna set up for portable operation. 1 SWR): 40 kHz Our price is lower than the manufacturer's "minimum advertised price. 20m Loop Antenna. This is an End-Fed Half-Wave (EFHW*) antenna for 80/40/30/20/17/15/12 and 10m bands. Equipment for portable HF operations, 2 - The (trans)portable HF antennas, that you antenna from Alpha is a folding vertical able to sustain 500 watts PEP between 6 and 80 meters. We will not have any other components available. The problem has been addressed in numerous publications for years, including, but not limited to the ARRL "Mobile Manual", the ARRL "Radio Amateurs Handbook", Editors & Engineers "Radio Handbook" and. The DXE-NVIS-8040S is a shortened NVIS wire antenna kit version that features loading coils to make the 80 meter dipole legs the same length as the 40 meter dipole legs, 34 ft. 80 - 2 Meters. To use the 10-40 meter configuration, simply remove the booster cable and revert to a single turn loop. About 40m/80m Portable antenna The resource is currently listed in dxzone. ago I had 10 acres to use for my antenna farm. 80 Meter NVIS Antenna - Don't Get Hung Up on Theory Watch the following video to see how to build and erect a basic 80-meter NVIS antenna. Click to play video. This was a spur of the moment project. 5 MHz through 30 MHz plus 144 MHz. The antenna itself is 3. ) Good success was seen with a MFJ 1988T. • Radiating element will be a dipole that is ½ wavelength for the frequency. No-Trap 80-40-20-15-10 meter dipole or inverted-V. This is a 200W version of popular EFHW-8010 End-Fed Half-Wave (EFHW*) antenna for 80/40/30/20/17/15/12 and 10m bands. Our latest smartphone hacks — straight to your inbox. - Uses elevated radials for higher gain. Portable Antennas can be everything from a piece of wire hanging from a tree to a base station antenna converted to be used at a remote location. in my case: (crank up) tower for the first 10. My 40 meter vertical cost me $13. New! the Super Antenna MP1DXMAX - the maximum Go Bag package for portable, base, backpack, and Emcomm. Before I added 80 meter, I operated that band with a end-fed wire antenna. This antenna also uses a 4 to 1 Guanella Current Balun this is rated at 250 watts, all stainless steel hardware, and covers the. Antenna is 60 ft. This resulted in resonant frequencies at 7. The End Wire Size can range from 16 AWG to 12 AWG. Stock availability and shipping volume can delay shipping. Are you looking for a quick and convenient way to run a portable dipole without needing 2 or 3 supports or several antennas for portable or permanent operation?. communication on 75 Meters was started with a dipole at approximately 30 feet. I chose 58' for Mid 80 Meter Operation. End Fed Dipole 80-6 meter Portable HF Antenna Matchbox System. What could be done in such a small space? Maybe a large magnetic loop laid on the floor of the attic. This antenna also uses a 4 to 1 Guanella Current Balun this is rated at 250 watts, all stainless steel hardware, and covers the. The normal quarter wave ground plane antenna consists of a vertical radiator which is insulated and centered between 4 horizontal surrounding radials which extend out from the base of the antenna. I found that by adding 18. A friend, WA7YLI, has similar interests. A Portable NVIS Antenna. 66 in total. net) This 40-10 meter portable antenna uses switches to disconnect sections of the antenna for 20-10 meter operation, and clip-on inductors to extend operation to 30- and 40-meters. 0, Bandwidth (2. An on-the-air comparison was made between the portable whip dipoles up 20 feet and half-wave dipoles for 40 and 75 meters. com: MFJ-1778 G5RV Wire Antenna 80-10 Meters - Authorized Dealer: Go to amazon. END FED DIPOLE 80-6 meter Portable HF Antenna Matchbox System. As seen on his page, the original formula seems to come from an article by J. Chameleon Antenna has been a pioneer at rethinking and redesigning portable antenna systems since almost a decade! Pushing the limits of design and manufacturing with cutting edge technology, Chameleon Antenna are known to design, manufacture and distribute products worldwide that are versatile, dependable and built to last!. Eagle DX HF Vertical 40/20/17/15/12/10 Meters : Mounts Quick Tilt Ground & Ladder : Hustler: 4BTV/5BTV HF Verticals: G3-144 Vertical 2 Meter : MFJ: MFJ-1625 Window/Balcony Antenna 80-6 Meters: MP Antennas: Super-M 400 Base Base Antenna 400-500 MHz: Super-M Classic Base Base Antenna 25-1300 MHz: Super-M Ultra Base Base Antenna 25-6000 MHz. Build a Portable Antenna by Robert Johns, W3JIP. The Hy Power OCF80 80 meter version shows a positive SWR dip on the following bands: 6, 10, 12, 17, 20, 40 and 80 meters. 90 MHz: This antenna is tuned by the following procedure: 1) Put up the entire length of wire and the 4:1 balun and resonate it to the upper end of 80 meters by lengthening or shortening it. com is a little boring. Select a Rating 5 Stars 4 Stars 3 Stars 2 Stars 1 Star. On two meters, you can get a rough bearing by simply holding your handi-talkie or scanner close to your chest and turning around, listening for the signal null that indicates that the source is behind you. , so this antenna fits into a square area that is only about 50 ft. Posted on June 26, 2018 by Fada Brian. HIGH QUALITY - $37. 6 dB of "Free" Ground Gain 40 through 10 meters: a horizontally polarized dipole, Yagi or quad easily provides 6 dB of ground gain but only if it is installed at the correct height 80 meters: If you cannot install a horizontal antenna at 25 meters high or higher: use a vertical or a vertically polarized delta loop (corner fed), or A four-square vertical is competitive with high horizontal. Stock availability and shipping volume can delay shipping. Note that 44 + 25 equals about a quarter wave for 80 meters if used as an inverted L antenna. by John Reisenauer, Jr. The metal apron running around the balcony on three sides acts as the counterpoise. K0ZE approach: Ken chose to build an 80 meter horizontal loop antenna. by Harry Lythall - SM0VPO. The 10-80 meter groundplane vertical antenna is a rugged multiband vertical antenna, That is 43 feet in height. Enter the desired frequency. See more ideas about Ham radio antenna, Ham radio and Home brewing. HF (160 Meter) Vertical Monopole Base Antenna. 2 Meter Yagi Antenna Eme Terrestrial Fm 144 Mhz Low Noise 80 meters 2 element quad antenna i1wqrlinkradio pg1n s ham radio site 2m projekten richtantenne on6mu vhf 6 9 element yagi antenna for 2 meters receive 2 meter cubical quad antenna ham. If a longer antenna is desired, the provided antenna can be lengthened. Antennas for 17 Meters Antenna: 17 meters, Range: 18. A Portable NVIS Antenna. It is an off centre fed dipole, with 10 feet of vertical radiator. (1) Part 1 of 2 - How to Build a low cost portable hamstick antenna, (2) Part 2 of 2 - How to Build a low cost portable hamstick antenna. See more ideas about Ham radio antenna, Ham radio and Home brewing. In this picture, the 40 Meter loading coil is in place. It consists of 30ft of wire fed into a 9:1 UnUn (Unbalanced to Unbalanced). 416-667-1000. 80 to 6 Meters Portable Screwdriver Antenna MFJ-1668. Skywire Loop Antenna-- From The ARRL Verticals 80 Meter Antennas Antenna Projects From The YCCC-- Double-L For 80/160, Two Wire Beverage, A Poor Man's 160 Meter 4-Square, Using a 4 square Vertical Phased Array to improve your 80 and 160 meter signal, -- From The Yankee Clipper Contest Club. Portable Radio Antennas. MFJ-1778 G5RV Multiband Antenna 30 meter band: On 30 meters the MFJ-1778 (G5RV) functions as an extended double zepp. It covers the 80 meter through 6 meter Amateur Radio bands and can handle up to 100 watts SSB, 25 watts digital. The 80 meter Hamstick, like the Hustler RM-80 resonator, can be extended with a mast to increase performance. 37 results for 80 meter antenna Save 80 meter antenna to get e-mail alerts and updates on your eBay Feed. Presented here with his kind permission. length of dual wire‐stranded stereo speaker wire and. Great for city lots, apartments, and other limted-space setups, these portable stealth antennas deliver maximum performance from minimal space. Expanding on our experience …. Start with cutting the radiating and reflecting elements. This shortened easy-to-build vertical, with no-radials, is made from surplus military camouflage poles. After trimming, the 80 meter elements were about 4 feet long for a total antenna span of about 76. Portable Radio Antennas. The DXE-NVIS-8040S is a shortened NVIS wire antenna kit version that features loading coils to make the 80 meter dipole legs the same length as the 40 meter dipole legs, 34 ft. Build a Portable Antenna by Robert Johns, W3JIP. #1 HF Portable Vertical Antenna worldwide. Using a 40/80 meter dipole usually how hams get on 160 for the first time. THIS IS: The Deluxe Tripod Super Antenna, top-of-the-line setup, with All HF Bands 80m-6m and simultaneous VHF 2 meter. 2 Meter Yagi Antenna Eme Terrestrial Fm 144 Mhz Low Noise 80 meters 2 element quad antenna i1wqrlinkradio pg1n s ham radio site 2m projekten richtantenne on6mu vhf 6 9 element yagi antenna for 2 meters receive 2 meter cubical quad antenna ham. The antennas would be easy to construct and would be inexpensive. Portable End-Fed 160-10 Meters Dipole Antenna George on 24th Feb 2020 This is the 4th or 5th product that I have purchased 4 or 5 items from ni4l. 168 MHz you can use a few algebraic formulas to compute antenna sizes. You'll also find here many innovative new Accessories for hf/vhf portable antennas. 5:1, and a impedance of 40-60 ohms depending upon where in the 40 meter band I tuned. The #1 HF Portable Vertical Antenna worldwide. Little tinkering and testing revealed that the antenna works pretty well on 160m connecting one leg to the centre of coax and the ground of the trx to the down spout and grounding cable of the lightning. You should consider a multi-band vertical on that 7th floor roof, if roof is large enough to lay out several quarter-wave radials. 5MHz) therefore also resonant on second, third and fourth harmonics, etc. Anyway, the antenna dimensions allow me to operate from 80-10m with a balanced line tuner. It WILL greatly improve the performance on the 160 - 40 Meter bands as it reduces the size (and losses) of the loading coil. I looked at some of the various web sites and still did not get a single idea as most of the designs were attached. Radio Shack has a 6-foot telescoping whip. 5 on a good portion of 6 meters. 5 feet (including the coils). The top is 23 meters high and goes to the right to a pole on the roof of the house. by John Reisenauer, Jr. com: MFJ-1778 G5RV Wire Antenna 80-10 Meters - Authorized Dealer: Go to amazon. Each radial is evenly spaced (90 degrees apart from each other) around the vertical element. The SWR was 2. There are several ways to achieve this goal of a single antenna for 80 - 10 meters. Two models cover the 75-/80- and 160-meter bands. The Alpha BASIC-FMJ is a system that will handle 500W PEP SSB, and which is pre-tuned and requires no moving clips on coils or readjusting of whips for tuning. In the search for the "Wonder Antenna" that is small, portable and easy to setup, I've decided to build an Endfed antenna using a 9:1 match. Effective HF Mobile Antennas Keith WB2VUO One of the problems with HF mobile operation, especially on 160, 80 or 40 Meters is antenna efficiency. I started out with 59 coil turns, compared to the 47 suggested by the coil calculator. Your PayPal receipt is your confirmation that we have received your order. 40m, fed buy a separate coax. My 40 meter vertical cost me $13. Made out of aluminum tubing Uses PVC as an insulator Is 32 feet high. As a hack, Add your own 62 foot wire to a bnc/banana jack adapter to take the coil out of the circuit and you can use it on 80 meters with your radio's tuner. For multi-band use, the Alpha Match is recommended at the antenna feed-point. Here is my home HF antenna. This is available in a BNC connector version in another one of my. It utilizes an internal 9:1 UnUn and a BNC female antenna connector. I looked at some of the various web sites and still did not get a single idea as most of the designs were attached. Mini UnUnTenna 40-10m. My initial aim was actually for a 60 meter dipole antenna. 300 Ohm Twin Lead with the ends shorted is an option for even greater bandwidth. [Show thumbnails]. Portable Tri-Band Vertical Antenna 40/30/20m. Feb 12, 2018 - Low-cost home brew antennas for amateur radio. On 60 meters this antenna is approx. Has 3/8-24 base thread, tuneable stainless steel whip. At ground level it performs as an NVIS antenna on 40 and 80 meters. For a coaxial fed, "One Antenna Do All" you can't beat the off center fed antenna. - LENGHT: 6 m. net) This 40-10 meter portable antenna uses switches to disconnect sections of the antenna for 20-10 meter operation, and clip-on inductors to extend operation to 30- and 40-meters. Click HERE for Reviews. Cutting Chart for 20-80 Meter Plug and Play NVIS Antenna Cut to be resonant at center height 16 feet with ends at 6 feet 20 meters 16’ 1 ½ inches 20-meter digital 16’ 4 ¼ ‘. ago I had 10 acres to use for my antenna farm. All bands 80m-10m HF 3. Background:. Portable No Tune End Fed Half Wave Antenna 80-10m. The accompanying tuning box will allow operations on 15 meters as well. A second advantage of lowering the antenna to near 1/20th wavelength is a lowering of the background noise level. Mini UnUnTenna 40-10m. I chose 58' for Mid 80 Meter Operation. - HF - X-80 - VERTICAL ANTENNA - 80 TO 6 METERS (3. significant loss of antenna efficiency. Pacific Antenna -- PAC-12 Antenna -- Vertical antennas 60-10m ; PalStar - Tuners and accessories, SW radio, Dummy loads, SWR Meters, Filters ; Par Electronics-- Antennas, Filters For Amateur, SWL, and Scanner; Par End-Fedz-- full length half wave dipoles, but with an important difference. EFHW-8010P- 200W Portable or Stationary Multi-Band End Fed Half Wave Antenna. com is a little boring. Portable End-Fed 160-10 Meters Dipole Antenna George on 24th Feb 2020 This is the 4th or 5th product that I have purchased 4 or 5 items from ni4l. Feb 12, 2018 - Low-cost home brew antennas for amateur radio. Loaded Quarter Wave Antenna Inductance Calculator The original javascript was created by Jack Ponton and can be seen here. 15MHz and 3. great to be able to put wires on the towers or off my. Chameleon Antenna has been a pioneer at rethinking and redesigning portable antenna systems since almost a decade! Pushing the limits of design and manufacturing with cutting edge technology, Chameleon Antenna are known to design, manufacture and distribute products worldwide that are versatile, dependable and built to last!. For a coaxial fed, "One Antenna Do All" you can't beat the off center fed antenna. #1 HF Portable Vertical Antenna worldwide. Chameleon Antenna has been a pioneer at rethinking and redesigning portable antenna systems since almost a decade! Pushing the limits of design and manufacturing with cutting edge technology, Chameleon Antenna are known to design, manufacture and distribute products worldwide that are versatile, dependable and built to last!. Remarkable for an antenna that is only less than three foot in diameter and covers 3. No ground plane or counterpoise is needed. The large diameter yields broadbanded coverage of the 80 Meter Band. Those with existing aluminum stock can likely reduce cost. 0, Bandwidth (2. 65 MHz As you can see, we are at one end of the 40 meter band and the other end of the 80 meter band (a compromise), but will play very well on both bands. A Portable NVIS Antenna. We had great reports on the NJ NTS 75-meter phone net and NJ NTS 80 meter CW net, passing and receiving three formal messages from the park. I discovered antenna computer modeling as an alternative to the cut-n-try methods. You would need 15 of the 5" plate sets ($90) or 6 of the 8" plate sets ($60) to achieve that much capacitance and handle 100 watts. I wanted high efficiency 40 Meter antenna with low-angle radiation. The antenna wires are connected to the Center "T" using the supplied ring terminals. The 80 meter inverted vee is a common and classic antenna. These Are A Very Efficient Multi Band Antenna. Background. TAK-tenna 80 to 6 meter Multiband Antenna. This resulted in resonant frequencies at 7. To use the 10-40 meter configuration, simply remove the booster cable and revert to a single turn loop. ago I had 10 acres to use for my antenna farm. Boom = 48 in/122cm;spiral radiating element = 38 in/96cm; weight = 6 Lbs/2,7Kg. The larger the wire, the wider the bandwidth. 5 MHz - 54 MHz Portable Amateur Radio Antenna The HFp Antenna The HFp design provides a highly efficient antenna design in an extremely portable package — the entire package weighs just over 2 pounds (1 kg). This length would make the antenna resonant around 7. Cutting Chart for 20-80 Meter Plug and Play NVIS Antenna Cut to be resonant at center height 16 feet with ends at 6 feet 20 meters 16’ 1 ½ inches 20-meter digital 16’ 4 ¼ ‘. It has gain and wave angle comparable to a full-sized ¼λ ground plane antenna with radials. The 80 meter inverted vee is a common and classic antenna. Expanding on our experience […]. [Show thumbnails]. HIGH QUALITY Authentic KB9VBR 2 Meter VHF SLIM JIM amateur ham radio J-Pole base antenna DBJ-1 Dual Band VHF/UHF 2 meter/70cm ham base antenna ANTENNA TRIPOD 29FT ALUMINUM PORTABLE TOWER MAST KIT NEW 2 meter/70cm Dual Band Collapsible Copper J Pole Antenna by KCØSDV Free shipping. (If you must use a half wave end-fed antenna, make SURE you ground the radio and the matching transformer secondary to avoid RF burns from the chassis. 8 dB lower - Much less SWR bandwidth - Greater feedline loss away from resonance Build or Buy a Short Dipole? • Designing a Shortened Antenna CT1EOJ. 5 m between 20 m trap and 40 m trap and 11 m between the 40 m trap and the end of the antenna. SENTINEL BARRETT 160-6 METER HEXBEAM. 7%, similar to an 80 meter mobile antenna. Portable No Tune End Fed Half Wave Antenna 80-10m. Web description. mast which holds three other antennas, viz. So how do we shrink the length and maintain most of the performance and efficiency. Can be adapted to work on 160 meters by adding additional 6. THIS IS: The maximum Super Antenna Go Bag setup with All HF Bands 80m-10m and simultaneous VHF 2 meters. Handles 250 watts, tuneable. Resources listed under Antennas for 80 meters band category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. END FED DIPOLE 80-6 meter Portable HF Antenna Matchbox System. 10-80 meter Alpha 31 Foot Portable & Base antenna. •Need lots of room, keep them away from metal objects like heaters and ducts •Wire antennas can be run near the peak of the roof inside the attic, bent in odd shapes to match the space available. Antenna projects for 80 meters band category is a curation of 169 web resources on , The CN2WW 80m wire-beam, Vertical antenna for 40 and 80m, Phased Delta Loops. Probably could be done but the bandwidth would be pretty small with constant retuning. Here's an easily transportable vertical antenna for 20 meters collapsible to 4 feet that costs about $2. Mini UnUnTenna 40-10m. Com W0QH 2018-12-26T15:58:23-06:00. Here's another of my favorite antennas for QRP portable operation. With Low Profile Tripod and Universal Mount. He commented to me that, even if a loop is only 10% efficient, that is only down 10 dB - about 1 1/2 S units. 88) should also work well. At ground level it performs as an NVIS antenna on 40 and 80 meters. For example, mounting the 7. You will have great band coverage on the 75-meter SSB or 80-meter CW portion of that band. Turn on / off key for CW transmission. Here is my home HF antenna. Web description. 6 dB of "Free" Ground Gain 40 through 10 meters: a horizontally polarized dipole, Yagi or quad easily provides 6 dB of ground gain but only if it is installed at the correct height 80 meters: If you cannot install a horizontal antenna at 25 meters high or higher: use a vertical or a vertically polarized delta loop (corner fed), or A four-square vertical is competitive with high horizontal. 25 An indoor inverted U wire antenna. You may need to try different wire lengths to optimize your antenna configuration. Power - 100 watts or less. It is an off centre fed dipole, with 10 feet of vertical radiator. So, a good compromise for the new HF operator is a multiband antenna that allows operations on a couple of higher bands (perhaps 20-meters, 15-meters, and/or 10-meters), and operation on at least one lower band (perhaps 40-meters and/or 80-meters). The stake is now a smaller 6" stake which is easier to deploy. (The 75 or 80 meter amateur band in the USA extends from 3. 300 Ohm Twin Lead with the ends shorted is an option for even greater bandwidth. DX Engineerings 300 ohm line (VF=0. Click HERE for Reviews. MFJ-1778 G5RV Wire Antenna 80-10 Meters This antenna is ideal for users looking for an economical wire antenna for their ham radio setup. A Packable Antenna for 80 through 2 Meters by Dennis. 5:1 or less with the 5 ft whips or using the Scorpion Cap Hats™ for a smaller foot print. When operating on 60 Meters use only the 60-80 coil and tune with the whip as per the chart. Amateur Wire Antennas : Hy Power Off Center Fed. - Uses elevated radials for higher gain. This 40 and 80 meter inverted V antenna is made with loading coils. Without Radials. The 80m and 75 meter bands add-on coil for all Super Antenna MP1 series antennas. This page is a collection of short vertical antennas that I built over the years, for the 80 mtr band. He commented to me that, even if a loop is only 10% efficient, that is only down 10 dB - about 1 1/2 S units. The 75-/80-meter sections are full-size dipoles. (when switch to 3. When fully telescoped it is 1. Most of us humans think an element that long is difficult to build an rotate much less keep up in the air reliably even for a single winter. In this video, Peter uses some extra coaxial cable to create a magnetic loop antenna for the 80 and 160 meter Amateur Radio bands. This inductance has the effect of bring the resonances a bit. At a recent S. For example, it can be configured as, a) multi-band antenna from by using the wire element inside of the side of the 31 foot mast. - 20 Meters each leg 17 ft. 10-80 meter Alpha 31 Foot Portable & Base antenna. This was created as a fun project to demonstrate how to enjoy operating HF in the field with a home-made portable antenna without spending a ton of money. Web description. The horizontal radiation pattern is similar to the pattern of the 40 meter band (broadside) Figure 3 but has four additional minor lobes. Are you looking for a quick and convenient way to run a portable dipole without needing 2 or 3 supports or several antennas for portable or permanent operation?. [Show thumbnails]. 175 wavelength (7 meters, ~21. Hall, "Off-center loaded dipole antennas", QST Sept 1974, 28-34. The Hy Power Off Center Fed Antenna is a very efficient and effective multi band antenna. mast which holds three other antennas, viz. Are you searching for a portable qrp antenna to buy? Then this post is for you. This resulted in resonant frequencies at 7. Portable Tri-Band Vertical Antenna 40/30/20m. It is basicly a 44 foot doublet fed with 300 ohm ladderline (32 feet long with an additional 10 foot section that I can add). An Attic Coaxial-Cable Trap Dipole for 10, 15, 20, 30, 40, and 80 Meters John DeGood, NU3E [email protected] By John Portune W6NBC. Remarkable for an antenna that is only less than three foot in diameter and covers 3. Its BTV (vertical) antennas continue to set the standard for trapped vertical antennas, delivering the best reliability of any multi-band vertical on the market. Eagle DX HF Vertical 40/20/17/15/12/10 Meters : Mounts Quick Tilt Ground & Ladder : Hustler: 4BTV/5BTV HF Verticals: G3-144 Vertical 2 Meter : MFJ: MFJ-1625 Window/Balcony Antenna 80-6 Meters: MP Antennas: Super-M 400 Base Base Antenna 400-500 MHz: Super-M Classic Base Base Antenna 25-1300 MHz: Super-M Ultra Base Base Antenna 25-6000 MHz. The single-wire-fed Windom is one the "oldies but goodies", dating from the 1920's or earlier. THIS IS: The Deluxe Tripod Super Antenna, top-of-the-line setup, with All HF Bands 80m-6m and simultaneous VHF 2 meter. So, a good compromise for the new HF operator is a multiband antenna that allows operations on a couple of higher bands (perhaps 20-meters, 15-meters, and/or 10-meters), and operation on at least one lower band (perhaps 40-meters and/or 80-meters). This is an End-Fed Half-Wave (EFHW*) antenna for 80/40/30/20/17/15/12 and 10m bands. Yaesu FT-817 Telescopic Antenna 10M. The antenna is highly configurable, and, with the 80 Meter Coil, covers all the Amateur bands from 80M to 6M. Introducing our newest addition to our Portable Power line of products -- the PowerMini!. Mobile Ham Amateur Radio Antenna for the 80 Meter Band. It Will Easily Handle The Legal Limit, 1500 Watts Of Power. Mono-Band versions available for 80, 60, 30 and 40 meters Antenna is only 8-1/4 feet tall by 5 feet wide Permanent Ground Mount or Portable Quadrastand. Portable Radio Antennas. It is a resonant Half wave on 80m (3. com: MFJ-1778 G5RV Wire Antenna 80-10 Meters - Authorized Dealer: Go to amazon. 5 m radiator and loading coil on 50 mm core. 5' Hamstick on a 6' mast (as part of the radiating antenna) increases the current-area from 6 A-ft to 12 A-ft thereby quadrupling the radiation resistance and increasing the signal by up to 6 dB. 40 meters swr 1. Because you can tune almost anything to almost any band, it is possible to get 10 and 15 meter use too with the propagation issues described above. Mini No Tune End Fed Half Wave 80-10m Antenna. An Isotron Antenna Solves Virtually Any Restricted Space Problem - For example, a 40 Meter Isotron measures only 22 inches x 16 inches x 15 inches! Easy, Quick, and Simple Installation Tunes and Performs Without Radials or Antenna Tuners. What could be done in such a small space? Maybe a large magnetic loop laid on the floor of the attic. It provides easy setup in the field, is extremely compact, and provides excellent performance on all bands 80 thru 15 Meters. So how do we shrink the length and maintain most of the performance and efficiency. 160 Meters each leg 126 ft. Start your career in Graphic Design with the Gadget Hacks Beginners's Guide to Photoshop Course. No further length adjustment will be needed. The metal apron running around the balcony on three sides acts as the counterpoise. 30 Meter 105. 42 meters or 11 feet 2 inches long from the top of the mounting spring to the tip. I looked at some of the various web sites and still did not get a single idea as most of the designs were attached. Length Foot Wind MPH; CP62: 6m: 2-5/8 Wave : 500W SSB, 200W FM : UHF : 22' 80: CP610. Unlike many END FED antennas on the market, this one does not require the Antenna Tuner to operate. It has gain and wave angle comparable to a full-sized ¼λ ground plane antenna with radials. I decided to build a 80 meter, half wave wire antenna that takes full advantage of the phone portion of the band known as 75 meters, also this antenna will not need a tuner. 25 An indoor inverted U wire antenna. 5' Hamstick on a 6' mast (as part of the radiating antenna) increases the current-area from 6 A-ft to 12 A-ft thereby quadrupling the radiation resistance and increasing the signal by up to 6 dB. Random Wire Antenna Lengths. The performance was excellent with. EFHW-8010-1K Multi-Band End Fed Half Wave Antenna. Most of us want 80 through 10 meters coverage with a single antenna. In 2009 I acquired and installed a 55 ft. The most popular technique for achieving multiband operation with a single antenna is to divide the antenna into appropriate lengths with 'traps. The tuning process is the same as for the 40/80 dipole, excpet the 20 m wires are trimmed first to an SWR of 1. net Abstract A coaxial-cable trap dipole antenna installed in the attic provides a surprisingly effective solution to HF operation on the 10, 15, 20, 30, 40, and 80 meter amateur bands at a QTH with restrictive covenants that prohibit outside antennas. No-Trap 80 and 40 meter dipole or inverted-V. #1 HF Portable Vertical Antenna worldwide. So, a good compromise for the new HF operator is a multiband antenna that allows operations on a couple of higher bands (perhaps 20-meters, 15-meters, and/or 10-meters), and operation on at least one lower band (perhaps 40-meters and/or 80-meters). The internal tuner of my FT950 tuned this antenna also on the other bands. The antenna is resonate on both bands and does not require an antenna tuner. TW8080 Adventurer 75/80 Meter Monoband Antenna The TransWorld TW8080 Adventurer Monoband Antenna is the perfect antenna for high performance DX communications in a portable package. Super wide bandwidth means more time operating ,and less time stuck on a frequency your trap vertical is tuned for. On HF, one of the factors that determine how far your signal goes is the takeoff angle. Designed as part of the /backpack /base /travel /mobile /portable antenna system for transmitting and receiving on HF and HAM radio frequencies. THIS IS: The Deluxe Tripod Super Antenna, top-of-the-line setup, with All HF Bands 80m-6m and simultaneous VHF 2 meter. 175 wavelength (7 meters, ~21. This 31 foot antenna is a tough ultra-lightweight (3. Get the complete kit and get on the air in minutes!…. (80-40-30-20-17-15-12-10 meters - 71 feet of 14 gauge, insulated wire, dog bone end insulator) check EHAM for reviews on this popular antenna. On two meters, you can get a rough bearing by simply holding your handi-talkie or scanner close to your chest and turning around, listening for the signal null that indicates that the source is behind you. The Silver Bullet is an 80 through 10 meter antenna coil which may be used at power levels up to 200 Watts SSB, 100 Watts CW and 25 Watts with digital modes. Made out of aluminum tubing Uses PVC as an insulator Is 32 feet high. Cebik W4RLN) seem to point to best performance on 40-meters at 0. Our 7-15 MHz 6 foot diameter model is half that size and could be resonated to 3. What could be done in such a small space? Maybe a large magnetic loop laid on the floor of the attic. Here is my home HF antenna. SENTINEL BARRETT 160-6 METER HEXBEAM. I had no problem using it on 20, 40 and 80 meters and could easily tune down to the 80 meter FT8 frequency which is near the bottom of the band. I now have individual 80 and 40 meter NVIS antennas. Murray, KD1BL Author's Note: This article describes a 75/40 meter NVIS, but one could use the construction techniques to build just a 75 meter or a 40 meter version. A Portable 75/40* Meter NVIS Antenna - with 3/2/'09 updates - by David B. One major premise of this design is the use of a commercial speaker stand from the music/sound. 088 MHz (the frequency of the Hawaii Afternoon Net). Line winders may change style or color depending on availability. Without Radials. I used so far BLT down to 40m and ZM-2 down to 80m. Frequency (MHz): 1. I looked at some of the various web sites and still did not get a single idea as most of the designs were attached. Of course if you initially deploy a quarter-wave sloper wire for 80 meter operation and then decide to use it on 40 meters – it instantly becomes a half wave end fed antenna. The SlinkTenna is a compact, quick deploy, portable, helical ham radio antenna. Meine Magnetic-Loop mit zwei Windungen für 80 und 40 Meter - QRP magnetic loop by KR1ST; PA3CQR Magnetic loop antenna page - Portable HF Transmitting Loop Antenna - Practical Experiments with Magnetic Loop Antennas - Small loop antennas (magnetic loops) - Stealth ST-940B Mobile HF NVIS Magnetic Loop Antenna - The G3BGR Magnetic Loop - THE. Introduction. Browse our daily deals for even more savings! Free shipping on many items! Portable/Handheld Ham & Amateur Radio Antennas. I built this antenna and quickly tried it out in February of 2013. Assemble the DXE-UWA8X-KIT - Universal Wire Antenna Kit for RG-8X per the instructions supplied. I looked at some of the various web sites and still did not get a single idea as most of the designs were attached. For digital modes. 65 MHz As you can see, we are at one end of the 40 meter band and the other end of the 80 meter band (a compromise), but will play very well on both bands. He commented to me that, even if a loop is only 10% efficient, that is only down 10 dB - about 1 1/2 S units. Here's an easily transportable vertical antenna for 20 meters collapsible to 4 feet that costs about $2. I found that by adding 18. For example, it can be configured as, a) multi-band antenna from by using the wire element inside of the side of the 31 foot mast. 80-6 meters with an antenna length of 22' to 30'. garage or in the field anywhere I wanted. It also works fine on all bands above 40m with a tuner, and even below 40m on 60m, and 80m, although the coax losses will be higher. It is called the EFHW-8010. You have no obligation to purchase the product once you know the price. 40 Meter 126. Power - 100 watts or less. You should consider a multi-band vertical on that 7th floor roof, if roof is large enough to lay out several quarter-wave radials. We will not have any other components available. Portable Radio Antennas. It is a heavy duty QRP/Low Power antenna that uses #14 wire instead of the usual #16 wire used by our other QRP/Low power models. The 10-80 meter groundplane vertical antenna is a rugged multiband vertical antenna, That is 43 feet in height. The dipole antenna is an excellent option for many amateur radio applications especially on the HF bands like 80 metres, 40 metres, 20 metres, 15 metres and 10 metres. Merely unroll it an attach it to some supports and you are ready to communicate. (1) Part 1 of 2 - How to Build a low cost portable hamstick antenna, (2) Part 2 of 2 - How to Build a low cost portable hamstick antenna. 17 80/40M Loaded Dipole, 90 Ft Long Compared to Full Size Half Wave Dipole • 40 Meters - No significant difference in gain or pattern - Slightly less SWR bandwidth • 80 Meters - No significant difference in pattern - Gain about 0. The Tune-A-Dipole is available in both a Manually Tunable version and a Remotely Tunable (Motorized) version. The antenna wires are connected to the Center "T" using the supplied ring terminals. Note that 44 + 25 equals about a quarter wave for 80 meters if used as an inverted L antenna. Assemble the DXE-UWA8X-KIT - Universal Wire Antenna Kit for RG-8X per the instructions supplied. That is a lot shorter than a standard 1/4 λ vertical. com: SIGMA EUROCOM SE-HF-X80 VERTICAL RADIAL FREE ANTENNA 80 TO 6 METRES: Go to amazon. For example, mounting the 7. With that said let's make our antenna resonant at 7. The large diameter yields broadbanded coverage of the 80 Meter Band. Welcome to the home of the Buddipole™, an hf/vhf portable dipole antenna system which is designed to be modular, versatile, and efficient. I decided to build a 80 meter, half wave wire antenna that takes full advantage of the phone portion of the band known as 75 meters, also this antenna will not need a tuner. 5 MHz through 30 MHz plus 144 MHz. Pacific Antenna -- PAC-12 Antenna -- Vertical antennas 60-10m ; PalStar - Tuners and accessories, SW radio, Dummy loads, SWR Meters, Filters ; Par Electronics-- Antennas, Filters For Amateur, SWL, and Scanner; Par End-Fedz-- full length half wave dipoles, but with an important difference. If a longer antenna is desired, the provided antenna can be lengthened. When operating on 75-80 meters attach the 60-80 coil to the bottom of the main coil with the included 3/8-24 stud. I like to use a home made current choke to keep RF from coming back on the feedline. Are you looking for a quick and convenient way to run a portable dipole without needing 2 or 3 supports or several antennas for portable or permanent operation?. With ladder line, a 4:1 balun, and an antenna transmatch, I could use the antenna from 40 to 10 meters. from an article published in 73 Magazine. Super Antenna MP1DXMAX Dual HF plus 2 meter Bands SuperWhip Tripod All Band Antenna with Clamp Mount and Go Bag. Write a Review. 17 Meter 72. One of the aims of DXers is long distance contacts and they will often go to great lengths to have a low angle of radiation. TAK-tenna 80 to 6 meter Multiband Antenna. In this picture, the 40 Meter loading coil is in place. I've had a silver bullet 1000 set up in the back yard all winter running with a 102 inch whip. 5 inch stubs (using Anderson powerpoles) to the end of the antenna resulted in a resonant frequency of 3. The new Alpha Match should make this one of the best portable antennas. This is a 200W version of popular EFHW-8010 End-Fed Half-Wave (EFHW*) antenna for 80/40/30/20/17/15/12 and 10m bands. [email protected] Works great and gives several extra bands besides the 80/40/20/10 meters using Kenwood with. 8 dB lower - Much less SWR bandwidth - Greater feedline loss away from resonance Build or Buy a Short Dipole? • Designing a Shortened Antenna CT1EOJ. 90 MHz: This antenna is tuned by the following procedure: 1) Put up the entire length of wire and the 4:1 balun and resonate it to the upper end of 80 meters by lengthening or shortening it. END FED DIPOLE 80-6 meter Portable HF Antenna Matchbox System. 8% long An alternative solution to this portable antenna requirement is to use a magnetic loop as they would achieve superior performance and efficiency when compared to the 5' antenna when used on the more desired bands. Two 75-meter whips were almost three S-units (about 18. I found that by adding 18. All, OK, a great discussion, so I thought I would share the antenna I like to use for portable. 7 ft overall length. Web description. Here is the pattern of the 160/80 meter antenna on 3. ) Good success was seen with a MFJ 1988T. With the 9:1 voltage unun and wire lengths suggested in the below tables the antenna should present non extreme. This antenna is 58 ft tall and is mounted on a hinged base. I looked at some of the various web sites and still did not get a single idea as most of the designs were attached. 80 to 6 meters end-fed antenna The ULTIMAX 100 antenna is designed with the H. 12 meters) of #14 AWG housewire. Make Offer - 784P Hf Mobile Antenna Coil, 80 - 10 meters SOTA, FIELD, Portable, Ham Radio NEW MiniWhip Active Antenna Assembled in Box HF LF VLF mini whip sdr RX portable $25. Simply hang the far end from a. You would need 15 of the 5" plate sets ($90) or 6 of the 8" plate sets ($60) to achieve that much capacitance and handle 100 watts. The antenna is resonate on both bands and does not require an antenna tuner. That helped some, and the tuner did the rest. Here's another fascinating portable antenna from Australian radio amateur Peter Parker (VK3YE).
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