The EA5AVL 40M Compact 4-Square Antenna was designed to provide excellent DX communications on the 40m band, utilising readily available components and be relatively easy to construct. Eliminate send/receive tuner loss. 108 - Vertical / Horizontal / Circular Polarization Antenna. Rosewill Digital TV Antenna, HDTV Antenna, Super Thin UHF/VHF Indoor Antenna Multi-directional Range up to 35 Miles with 15 ft. 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. Charlie K5USS [email protected] Be prepared and able to communicate in case of emergency with the largest selection at eBay. QST July 2002, pp. It's patented folded design allows for a 40% reduction in size with only a 0. We continue our antenna offerings with this single band, 80m-10m end fed half wave wire antenna. And when you thought you knew all about antennas; by Buck Rogers K4ABT. We have been building these antennas for over 19 years. The correct lengths for the various models will be displayed in the chart. It covers the 80 meter through 6 meter Amateur Radio bands and can handle up to 100 watts SSB, 50 watts CW, & 25 watts digital. This antenna is a high performance, full size, full wave, 80m loop antenna. The antenna wire lengths before trimming are 5. This one looked promising, and, inspired by good reviews for other Pro Antennas products, I decided to take a chance. The cookie settings on this website are set to 'allow all cookies' to give you the very best experience. A transmitting antenna couples the power generated by the transmitter to the ether. Antenna tuner is needed on 20 and 17m and to extent the bandwidth on 10m. Cushcraft Low Frequency VerticalsMA8040V 3. I would have no problem recommending this antenna. The Model 545T is a transportable and quickly deployable dual take-off angle antenna, offering the features most desired in a tactical antenna required to communicate over any range at any azimuth. 8 cm) apart. Expect a range of about 4 miles if mounted outside and possibly about 2 miles in the loft. We do not normally stock it. By Arnie Coro Host of "Dxers Unlimited", Radio Habana, Cuba. This is a dual band antenna that covers 80m and 40m. An antenna tuner is required for this antenna to properly function. What do I mean by “Medium Sized”? Three scenarios come to mind: 1. Notice the 20 and 28' has even lower angle and punch for deeper DX performance. I used 3 stacked FT50-43 cores which made for a very compact transformer that I housed in a 20mm conduit joiner with end caps. Connect one end of each cut wire to one side of a piece of choc block and to the other sides connect the core and. 95 each All information, images, and documents on this website are the sole property of Cushcraft Any reuse or redistribution of the contents of this website are strictly forbidden without authorization from Cushcraft. With PVC carry case. HF 3-Band Yagi antenna 3B-223 3B-223 Triband antenna for 20, 15 and 10m band uses a common f. 109 - Coax Inverted-L Antenna for 80m. 5 MHz through 30 MHz plus 144 MHz. 40-10 m OCF antenna layout On 40-20-17-15-12-10 meter models we use a resonance compensator to pick up the 15 meter band not present on many competing OCF antenna products. com, 4/9/12 Introduction Having limited space led to the design of this multi-band antenna array, which has a foot print of approximately 15 feet. This multi-band antenna (80-10m) offers one of the best quality/price ratio and excellent performance when it is well feeded and placed high enough above ground (over 0. 5kW balun are included. Available for 6m, 10m, 20m, 40m and 80m. Using an antenna analyser a low SWR was seen at 7. 5 m between balun and 20m trap, 5. Shop with Afterpay on eligible items. 0m and 40m dual-band vertical antenna (3 pages) Antenna Diamond Antenna W-735 Operation. By John Portune W6NBC. Recommended steps to tune this antenna design: 1) Put up the antenna with no L or C and resonate to 3. It can be used as a rotatable or V type configuration. Pick from here or from the drop down menu at the top of the page to visit the individual product pages for specifications, prices, and a link to the assembly manual for your review. Best Attic Antennas of 2019-2020. Amateur Wire Antennas : Hy Power Off Center Fed. Put it inside the PVC pipe and finish for 1. QST May 1993, p. 5, 5, 7, Read more. 8 pounds), blend in with your surroundings while standing tough against nasty weather. The antenna is an experimental compact half-wave vertical antenna on 40 meters ( only stands 2 meters tall). The exception to this is the 421 triband antenna which has a loading coil that reduces the length to 12m and covers 40m. He uses this antenna efficiently on several bands from 160 thru 20m, but he has three different matchboxes, one for Top Band, one for 80m and one for 40/30/20m. 270 feet (90+180) long. 30m,0,Extends D. How to build a mono band 80 meter 1/2 wave wire antenna. 5-54MHz Ground-Plane Vertical Antenna - Handles 250W COMET CHA-250B Vertical base antenna for 6m-80m, 24ft GigaParts offers a 30 day. LDG desktop tuners are perfect for your home shack, but can also be used portable or mobile if the need arises. Live in an area that prohibits external antennas? Maybe your lot is just too small to put up one of the popular multi-band wire antennas. After having marginal results on 17 meters using my Alpha-Delta DX-EE with a tuner, I put up a resonant dipole. 0:1 SWR is 85 KHz with 8 spokes in the top hat (they only ship 7). Can be used as a off center fed shortwave antenna to provide continuous coverage from 500 kHz to 60 MHz. THIS IS: The Deluxe Tripod Super Antenna, top-of-the-line setup, with All HF Bands 80m-6m and simultaneous VHF 2 meter. 10-80 Meter Alpha Loop, 100W 10-40M, 20W 40-80 magnetic. Only one is designed for 40m, and this is one of the priciest ones. of #16 "silky" stranded wire cut to one wavelength long on. With just 20. This is a dual band antenna that covers 80m and 40m. The formula to calculate the length of the antenna is 147/frequency in MHz, this gives the total length of the dipole in metres. It's a dual band inverted "V" at a height of 15 feet. The Super Antenna MP1DXMAX is a lightweight, 80-2m compact antenna system designed for today’s (and yesterdays) popular mostly portable or field deployable rigs. But most of this is just subjective, as I have said before almost anything will work on frequencies higher than 7MHz if the conditions are good. Using a slinky as an antenna is nothing new to hams, but the original post on imgur shows some. View the manual for MA8040V View the manufactures page for MA8040V View the eham review page for MA8040V The MA8040V is a compact self-supporting HF vertical that delivers excellent DX-hunting performance on 80 and 40. It utilizes an internal 9:1 UnUn and a BNC female antenna connector. The Comet FHJ-350M, Portable 9-Band, 1/4 wave base loading telescopic antenna for HF through 6M. Another Antenna Idea (A 3-band dipole) A Shortened 7mHz Dipole. Easy to install and tune. Marking things in meters instead of feet makes doing the math mentally in the field much simpler. Hereby extreme mechanical stability and an outstanding optical appearance are achieved. 3 M long and 5. Culp, W5SDC. •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. For similar results we urge the use of the Flagpole antennas with an outdoor ATU located near the base of the antenna to keep feedline losses to a minimum, however, this antenna will work with many indoor ATUs and even some rig ATUs (we have tested with the Flex-6700 ATU). Full band coverage can be accomplished with an antenna tuner. Designed for limited spaced applications and ruggedly built for many years of service. 5 GHz due to. 2(b): But when erected as an inverted-V you gain a couple of S-points (10 - 12dB) in the. Thank You very much!. A lightweight, high performance, extremely portable vertical antenna rated at 1500 watts key-down with fully manual operation (no electrical power or controller required. Only 10 feet wide - makes a good portable antenna. In a receiving antenna the electromagnetic fields generate the input power for the receiver. Since HF signals refract off the ionosphere back to earth, the lower the angle, the longer the distance. 3B-334 Triband antenna. View the manual for MA8040V View the manufactures page for. THIS IS: The Deluxe Tripod Super Antenna, top-of-the-line setup, with All HF Bands 80m-6m and simultaneous VHF 2 meter. I could even hear the test Morse transmissions on 3. From United States. 110 - Indoor Compact Loop Antenna for 80m. QRZ Shareware Collection antennas -- over 40 antenna files. 4:1 in my installation. The antenna has a full 300kHz bandwidth on 80m between 3:1 SWR points. Rated to 200W. Once I tuned the antenna for my favorite frequencies, I would later add yellow, white, green and blue enamel marks for the optimum lengths for the 60 meter, 75 RACES, 75 DX and 80M CW bands. Get the best deals on Ham & Amateur Radio Antennas. However given the current poor conditions there is not much going on on most of those bands, and so I wanted if possible to also have access to 80m. 5MHz Band ham Radio MP1 Counterpoise Ground Plane by Super Antenna Only 2 left in stock - order soon. It has yielded an ongoing series of experimental designs for compact antennas that. SlinkTenna - 80m-6m Compact Quick Deploy Helical HF Ham Radio Antenna Hf Radio Radio Band Dipole Antenna Qrp Ham Radio Antenna Electrical Connection Diy Electronics Compact Handmade The SlinkTenna is a compact, quick deploy, portable, helical ham radio antenna. 80/40m Dipole. 2 active elements each band. 5cm fixed whip antenna (usable from 400 MHz to 2 GHz+), and a 17cm to 1m telescopic whip (usable from 100 MHz - 400 MHz). Before getting on 80m though, I built my phase-one 40m loop which worked great and I was happy on 40, 20, 15 and 10m. HYGAIN AV-18VS Vertical antenna, 10m-80m, 18ft. An End Fed Halfwave Antenna for Portable Ops I’m a very casual operator, and an even more casual portable operator. 95: Sale Price $159. Full band coverage can be accomplished with an antenna tuner. 3B-334 Triband antenna. I realized that I needed to use inductive loading to cram an 80m antenna into my 10m by 10m roof space. Please reduce your quantity or change your pickup store to check stock nearby. MFJ-1668 80m to 6m "screwdriver motor" type mobile antenna *$439. Whether you are chasing the DX, or ragchewing on 80m, this antenna will do a fine job. The original antenna was designed as a moderately short antenna for the 10 meter band. Only the kindness of my next-door neighbors (who let me use one of their trees for the antenna) kept me on the air. I was always pleased with its performance. Field intensity drops off with the square of the distance from the base of the antenna. Apr 2, 2020 - Explore centerfirenotw's board "homebrew antennas" on Pinterest. An Efficient Multiband Vertical for 160 through 20 Meters. Thanks to the compact design of this attic antenna, it can easily be used outside of the home without being an eyesore. Just over 300 people responded. The 'Excalibur' is a very small home base antenna which is ideal to use if a longer antenna cannot be used. Cushcraft MA-8040V Compact HF 40/80M Antenna MA8040V is a compact self-supporting HF vertical that delivers excellent DX-hunting performance on 80 and 40 Meters. I originally wanted an antenna that would not hit everything overhead while driving, since it was to be installed on a van. 5MHz Band ham Radio MP1 Counterpoise Ground Plane by Super Antenna Only 2 left in stock - order soon. This shortened easy-to-build vertical, with no-radials, is made from surplus military camouflage poles. In there I have an MFJ magnetic loop covering 40m - 15m and a dipole for 10m. Fed with 450 ohm window line to a DXE 1:1 balun (the most expensive part of the antenna system) and about 8 feet of RG-214 into the shack. 95 each with free shipping. Moving the feed point slightly away from the middle will give you directional radiation. 0:1 SWR is 85 KHz with 8 spokes in the top hat (they only ship 7). Does it have to be installed straight or can I bend it to fit the space I have?. On 80M the 2. This typically a 102 feet long non-resonant m. The antenna This 10 - 160 meter tuned horizontal loop antenna is fed with 450 ohm ladder line all the way into the ham shack to an Palstar AT1500BAL balanced line antenna tuner. We had 1 of this item in stock at the time of the last update. Once installed, the MA8040V virtually. Diamond HF80CL Monoband Mobile Antenna Specifications: Bands: 80m Watts: 120 SSB, 40 FM Height: 87. On 80m they operate as l. 95 each All information, images, and documents on this website are the sole property of Cushcraft Any reuse or redistribution of the contents of this website are strictly forbidden without authorization from Cushcraft. After having marginal results on 17 meters using my Alpha-Delta DX-EE with a tuner, I put up a resonant dipole. Collapses down to pack in the convenient case for travel. The Near Vertical Incident Skywave (NVIS) antenna is a half-wave dipole antenna mounted not over 1/8th wave above ground (at the highest operating frequency). Shop with Afterpay on eligible items. Full band coverage can be accomplished with an antenna tuner. Mobile HF Antenna By HB9ABX. I can now work CW on 80m even though I don't have the real estate for a half-wave dipole or the radials that a vertical requires. I decided to try a magnetic loop antenna to see if it could work as well as the ARRL ANTENNA HANDBOOK data from. 10 Watts PEP is the max. 8 pounds), blend in with your surroundings while standing tough against nasty weather. Yes! the entire HF and 6m band. 6 Element 2 Band. This is a compact ten-band shortwave QRP SDR transceiver (1. The 43 foot 10-160 meter Multi-Band Vertical antenna is a freestanding vertical element with no traps or coils. TGM Communication Web site Tom VE3KVD. The Comet CHA250BX-II Broadband Vertical Antenna will amazingly cover from 80m to 6m with no gaps! Weighing only 7. Please comment if you can on antenna usage. Produced to satisfy the requirement for lighter weight traps. Charlie K5USS [email protected] Titan’s broad bandwidth and no tune feature make it an ideal antenna for getting those multipliers during contests or switching frequencies as band conditions change. 111 - Helix Antenna. 00 In stock! MFJ-1625 Balcony/window mounted 80m-6m antenna, has built-in tuner Place your order with deposit: $469. The loop antennas sold by vendors are VERY expensive ($300 to $500) and only transmit on the higher bands. The formula to calculate the length of the antenna is 147/frequency in MHz, this gives the total length of the dipole in metres. Reception Range. 10m isnt open often these days. The large diameter yields broadbanded coverage of the 80 Meter Band. OCF Antennas. Super-Sloper Antenna. It covers the 80 meter through 6 meter Amateur Radio bands and can handle up to 100 watts SSB, 25 watts digital. The antenna tuned successfully from 6-80m bands with SWR below 1. OCF Antenna 10-80m 1Kw 137ft. Ver2cal'Wire'Antenna' • Actually'a'ver2cally'orientated' resonate'1/2'wave'dipole'with' the'earth'being'the' return ' half' • Due'to'poor'ground' conduc2vity'a. 80/40m Dipole. Also, this antenna is quite, very quiet. The multiband coil version includes a tapped single coil that covers 40-10M. This allows the antenna to be adjusted for any frequency (within the range) and work near the perfect optimum. You can do mad wonders with a 9:1 and 85' or so of plain old number 14 end-fed and strung up a tree. 1, 14 & 21 Mhz bands Roofspace Antennas — how to build them and get them to work Rotary Dipole — for 17 and 20. Hassle free! Wide bandwidth and no tuner needed!!!. 2 active elements each band. To attain the triple-band operation for WLAN/WiMAX applications, the antenna design steps are shown in Fig. Since the parallel feedline typically has very little loss even when the SWR is high, the antenna becomes a good multi-band antenna when fed with this type line and used with a wide-range antenna tuner. Country 100 was RW2A on December 22, 2010. Enter the Frequency in MHz. The 40 Meter Off Center Fed Antenna (OCF40Q) is a great multi-band antenna. Price : US$625. It is even more compact than a magloop. If you have an attic, garage, workshop, or deck that is a little over 12 in length you can operate on 40 meters through 6 meters with a relatively cheap and easy to build wire antenna thanks. I originally wanted an antenna that would not hit everything overhead while driving, since it was to be installed on a van. Stealth antennas for the loft Fig 4. 3 MHz Vertical Antenna MA8040V is a compact self-supporting HF vertical that delivers excellent DX-hunting performance on 80 and 40 Meters. 3: This five-band loft-mounted antenna has been used at two locations with great results. Suitable for CB 27/81; PR 27Gb & 10M Amateur. Mounting the 80 metre end fed antenna. CAROLINA WINDOM® 80: List Price $199. Field intensity drops off with the square of the distance from the base of the antenna. of #16 "silky" stranded wire cut to one wavelength long on. The JK801 is a motorized inductor coil loaded as well as end capactively loaded rotatable dipole, with a small footprint, giving great performance on 80M. Can be used as a off center fed shortwave antenna to provide continuous coverage from 500 kHz to 60 MHz. Flags, Pennants and Other Ground-Independent Low-Band Receiving Antennas. Low Band Dipole Covers 160-80-40 meters with an overall length of only 100 ft. 5m at the low end. VERT™ (Vertically Enhanced Radiation Technique) is a radiating feed line technique that produces a controlled, low angle vertical radiation pattern. In part one of this series, I covered the use of one brand of commercially available, small transmitting loop antennas, also known as ‘magnetic loops’. Ka-Band Antennas Tx/Rx Servsat is proud to offer VSAT Ka-Band antennas from Skyware Global, Skyware Technologies and Prodelin (GD Satcom) from 98cm to 2. Cushcraft MA-8040V Compact HF 40/80M Antenna MA8040V is a compact self-supporting HF vertical that delivers excellent DX-hunting performance on 80 and 40 Meters. Shop HF and VHF Portable Antennas and Accessories for Amateur Radio/Ham Radio with confidence. To attain the triple-band operation for WLAN/WiMAX applications, the antenna design steps are shown in Fig. For the G7FEK tests the 40m & 160m wire antennas used at the QTH were de-tuned by removing about 2m of wire from each. loop antennas, there are a few new ideas to grasp. 5mm is a minimum. The cookie settings on this website are set to 'allow all cookies' to give you the very best experience. Different models handle RF power levels from 100 to 1000 watts. A compact 80m antenna with a performance that defies its size. Allocca, WB2LUA, www. CUSHCRAFT MA-8040V COMPACT HF 40/80M Antenna - $383. 80M Inverted "L" Antenna - Made with 1:1 balun, polyethylene black jacketed FLEX-WEAVE and 2 dog bone insulators. Each HF band is tuned by sliding the tuning stubs. 112 - Novice Vertical Antenna for 80m, 40m, 15m, 10m. The antenna also has a 3 meter long wire going to a ground rod. The RadioWavz DX (OCF) Windom is a off center fed (OCF) dipole antenna that exhibits outstanding performance on all bands. Re: HF multiband antenna for very small garden A 9:1 un/un, (or Balun if you prefer,) fed via coax at the bottom of the garden & around 20 meters of wire, makes a useable multi band antenna. However, while you may get a matched antenna and tune it on lower and higher bands, there are reasons why an antenna this size will not work as well on those bands. Attach 40M antenna jumper to 80M extension: Tension outer end of 80M antenna extension. 160M Is a Tough Band • Propagation quite variable, signals often not very strong, heavy QRN during the summer –Mostly a nightime band, varies a lot through the night –During the winter, 800 miles or. CAROLINA WINDOM® 80: List Price $199. 40m - 80m - 160m Short Dipole Antenna. - 90-100 ft is 3/8λon 80M, 3/16 λon 160M - 160-170 ft is 5/8 on 80M, 5/16 on 160M Radial Systems • Provide a return for the fields and currents produced by an end-fed antenna • The earth is lossy, burns transmitter power • Use enough radials so that fields and current are in copper, not earth • A few resonant radials work if elevated. HF 3-Band antenna 3B-222 for 20m, 15m and 10m band Economical antenna with excellent perform. The two antenna ports have four memory banks with 2500 80M 17. It will provide excellent short range communications and is easy to set up for emergency or temporary communications. In stock fast delivery call now. Eliminate send/receive tuner loss. The DXE-AOK-80M kit is tunable to operate across a small segment of the 75/80m band with an SWR of 1. 160M Is a Tough Band • Propagation quite variable, signals often not very strong, heavy QRN during the summer -Mostly a nightime band, varies a lot through the night -During the winter, 800 miles or more is possible 2 hours before sunset, 2 hours after sunrise. 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. If you want it to work properly, you will need a means of measuring SWR, some trial and error, a little patience and at least half-a-brain to build this. 7 Element 2 Band. His basic design starting point was the half size G5RV, to which he added inductors on each leg. 3 M long and 5. In summary, if you’re looking for a very compact QRP antenna that is easy to match on any HF/VHF band (certainly 40m upwards on the FT817 and down to 80m with the IC703) with moderate, but nonetheless useful, rather than outstanding, performance, then the MW is worth considering. It requires no radials and has worked well for me. The Watson 80Plus2 designed by G3OJV and sold by Waters and Stanton is a compact antenna measuring 52 feet in length that is designed to cover the 80, 40 and 20 metre bands. In other words, the 22 feet vertical component of the "Carolina" - between the 4:1 matching voltage transformer and the current choke balun - is a. 65 New Details About Cushcraft Ar-2 Vertical Monoband 2 Meter 135-160 MHz 3 DB 1000 Watt Antenna. Alpha_Antenna_6-160_user. Compact and Portable Antenna Roundup QST March 1998, pp. MultiBanders. Home-Base HF Vertical Antenna. The base section of this pole fits nicely in a 40 mm OD PVC pipe. The feed point is at ground level and the radiating wire goes up over the house and into a top room window where I have a crocodile clip (acting as a switch), to attach the 160m. A Linear Loaded Vertical Antenna for 40m and 80m by PA3HBB As a lot of you will appreciate, to work good DX requires a low angle of radiation from the antenna. Just over 300 people responded. Specifications. Inside the box, I used 2 strips of copper-clad board as a “bus-bar. My Favorite 40m "DX" Antenna. Antenna performance and 2:1 VSWR bandwidth is site dependent and varies with height above ground and surrounding objects. 3: This five-band loft-mounted antenna has been used at two locations with great results. 6 wire elements - 2 active on each band. of #16 "silky" stranded wire cut to one wavelength long on. 1982hp, end fed horizontal wire ant. Cushcraft Low Frequency VerticalsMA8040V 3. The Super Antenna MP1DXMAX is a lightweight, 80-2m compact antenna system designed for today’s (and yesterdays) popular mostly portable or field deployable rigs. The 40 Meter Off Center Fed Antenna (OCF40Q) is a great multi-band antenna. The JK801 is a motorized inductor coil loaded as well as end capactively loaded rotatable dipole, with a small footprint, giving great performance on 80M. 5” Pipe 1 10-1013-02 18’ Telescoping Pole 21-6005-01 4 Conductor Cable 06023 SmallIR 40m Coil 06025 SmallIR 80m Coil 72-0003-31 SmallIR Coil Hardware Kit 70-6010-01 25 Pin Dsub Splice Assembly 21-6002-16 4 Ground Radials 16’ 21-6002-40 4 Ground Radials 40’. Whether you are chasing the DX, or ragchewing on 80m, this antenna will do a fine job. Designed for limited spaced applications and ruggedly built for many years of service. In the end, the answer to an immediate problem became a continuing obsession that has spanned some 20 years. Except for feature differences they all set up the same. Free shipping. Searched on the internet how to make one (new they are approx. New! the Super Antenna MP1DXMAX - the maximum Go Bag package for portable, base, backpack, and Emcomm. Experiments with 160m antennas I planned to join a 160m SOTA summit-to-summit attempt in April 2017 and so obviously needed a 160m capable antenna that could be carried to the top of a mountain – not so easy at that wavelength. 95 Normally $179. 15dBi 446MHz 5/8 wave x 2 5. It has yielded an ongoing series of experimental designs for compact antennas that. The two elements are approximately a half-wave each. 8-Band: 160, 75/80, 40, 20, 17, 12, 10, & 6 meters. He uses this antenna efficiently on several bands from 160 thru 20m, but he has three different matchboxes, one for Top Band, one for 80m and one for 40/30/20m. Attic antennas •Many types of antenna can be mounted in the attic IF you don’t have Radiant Barrier (Tech Shield). The typical bandwidth is: 160M – 20kHz • 80M – 40 kHz • 40M – 300 kHz. Get a strong, clear signal with less noise from 2 meters through 40 meters with your choice of single- and multi-band Yagi antennas with up to 16 elements. 5m each * May be dropped vertically *. CUSHCRAFT MA-8040V COMPACT HF 40/80M Antenna - $383. 65; Antenna Aesthetics QST June 2001, p. 5kW, 23-27ft. Available for 6m, 10m, 20m, 40m and 80m. 00 In stock! MFJ-1625 Balcony/window mounted 80m-6m antenna, has built-in tuner Place your order with deposit: $469. LDG desktop tuners are perfect for your home shack, but can also be used portable or mobile if the need arises. The antenna consists of a half-wave dipole driven element and a passive reflector. The MFJ259 Antenna Analyzer. All bands 80m-10m HF 3. 5MHz Band ham Radio MP1 Counterpoise Ground Plane by Super Antenna Only 2 left in stock - order soon. See other listings. You will need an open area large enough for the entire run of the wire. The typical bandwidth is: 160M – 20kHz • 80M – 40 kHz • 40M – 300 kHz. The Rockloop Compact HF Antenna. I also have a CW-160 antenna averaging 40 feet high, so that antenna provided a comparative benchmark. 5kW balun are included. On 80M the 2. 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. Does it have to be installed straight or can I bend it to fit the space I have?. 8 pounds), blend in with your surroundings while standing tough against nasty weather. This antenna works quite well no issues. Allocca, WB2LUA, www. 21 Element 3 Band. The CAROLINA WINDOM® was the first antenna to take advantage of 'VERT™' (Vertically Enhanced Radiation Technique) and this feature continues with the CAROLINA WINDOM® Compact™. RW ANTENNA STORE ~ 716-434-9216 ~ 6150 Crosby Rd. I cut a 6 foot section of wire out of the loop, half-way around the 40m loop as a daring experiment to give me a halo dipole for 80m. , 10-80m, 132 ft. The antenna concept The SM7NHC is a classic multi-band wire antenna originally conceived by Louis Varney (G5RV). Homebrewing a loop antenna is difficult. QST October 1998, pp. 5” Pipe 1 10-1013-02 18’ Telescoping Pole 21-6005-01 4 Conductor Cable 06023 SmallIR 40m Coil 06025 SmallIR 80m Coil 72-0003-31 SmallIR Coil Hardware Kit 70-6010-01 25 Pin Dsub Splice Assembly 21-6002-16 4 Ground Radials 16’ 21-6002-40 4 Ground Radials 40’. MFJ Enterprises Inc,Ameritron,Hy-Gain,Hygain,Cushcraft,Vectronics,Mirage,MFJ,MFJ Enterprises,Antenna,Radio,Ham Radio,Amateur Radio,Tuner,Analyzer,Starkville,Amplifier. 10m isnt open often these days. Only 27 feet tall and weighing in at less than nine pounds, it is small and light enough for one person to handle easily without assistance. By K1NQ (Rev 3/22/04) Introduction. 11 Element 3 Band. 5 dBi F/B ~10 dB. 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. The FT-857D is an "All Band, All Mode" compact Transceiver. The Western HF-10 multiband dipole was born out of Fred Western M0BZI's attempts at working 80m from a small garden. 2(a): You can see that when erected in a straight line the dipole is quite directional. He uses this antenna efficiently on several bands from 160 thru 20m, but he has three different matchboxes, one for Top Band, one for 80m and one for 40/30/20m. We offer the follwing models: Series 3122, series 3180, series 3244, AN9890KAC00, AN121KAC01, AN181KAC01, Atom 65, Atom 99, RQT-Ka60cm, RQT-Ka75cm, RQT-Ka100cm. 112 - Novice Vertical Antenna for 80m, 40m, 15m, 10m. A compact, easy-to-build shortwave antenna The Broomstick Special. 112 - Novice Vertical. Slide 5 spreaders on the wire, using 4 of them, easing them all the way down to the other end. Only 27 feet tall and weighing in at less than nine pounds, it is small and light enough for one person to handle easily without assi. 5 out of 5 stars 2 product ratings 2 product ratings - HYGAIN AV-18VS Manually Tuned HF (10m-80m) Vertical antenna, 18' Tall, 1500W Max. But is close enough to get signals on 80m due to the wide bandwidth of the antenna tuned circuit. 2 D i a m o n d A n t e n n a 33 T a b l e O f C o n t e n t s The HFV-5 is a compact and portable multiban d HF antenna. Compact Multi-Band Rotatable Dipole Antenna Array Dr. 5:1 or less. The Comet FHJ-350M, Portable 9-Band, 1/4 wave base loading telescopic antenna for HF through 6M. Looking for more information about multiband performance and impedance matching, I found a very interesting article, "A Compact and Efficient Multiband Beam Based on a Modified W8JK Array" by K5LJ. 160m/80m loaded vertical antenna. January 14, 2019 m0cvoantennas1 3 comments After writing the previous article on the small antenna for 40 and 80m HF Bands I was asked by several people for photographs of the antenna in question. 6 pounds, makes it very manageable during the installation process and will allow for a simple mast solution. The 40 Meter Off Center Fed Antenna (OCF40Q) is a great multi-band antenna. 5-54MHz Ground-Plane Vertical Antenna - Handles 250W COMET CHA-250B Vertical base antenna for 6m-80m, 24ft GigaParts offers a 30 day. My Favorite 40m "DX" Antenna NOTE: This is not a plug-n-play antenna. , great for people like me can't pay for a cable or dish,today days this people charge you a lot of money for a service when you have this antenna that do a great job and you don't have to pay lots of money every month. The antenna set costs US$14. A lot of these dipoles are well built with open wire feed and a few mounted over a ground plane to help minimise the loss of low height induced currents. The Rockloop — compact antenna for 10. 80M 43 ft 13-j218 22. 110 - Indoor Compact Loop Antenna for 80m. I wound 10 turns of the 14 gauge wire on a small piece of 1 inch O. Small Receiving Antennas 4 to 9 dB RDF 4 dB: Bidirectional 8 foot diameter "magnetic" loop close to the ground 5 dB: Single vertical antenna (short vertical or ¼ wavelength vertical) 6 dB: 225 foot Beverage on Ground (BOG) 6 dB: 250 to 400 foot Beverage about 7 feet high 7 dB: Unidirectional terminated small loop flag, pennant, EWE, VE3DO. QST October 1998, pp. With a power rated at 500 watts (P. SKU: 00301-80kit Category: Vertical Antennas. 5m at the low end. A more accurate way to describe it would be 40-2M +80M +60M compact rapid deployment antenna system. Clothesline Antenna. Single feed point requiring no matching circuits. 7m AMA 8 Loop to a 20ft marine whip and against predicted data for an optimized 20ft center loaded whip. My Favorite 40m "DX" Antenna NOTE: This is not a plug-n-play antenna. SKU: TITAN DX GAP. How to build a mono band 80 meter 1/2 wave wire antenna. It is Australian made, and covers 6-18 MHz. The antenna would not tune with the ATU on Top Band (160m) – I would have been extremely surprised had it worked. Mobility, directivity and selectivity can null out pesky interference from digital and other sources. 02λ on 80m) leads me to another efficiency-related observation—when comparing an STL design to other antennas, one needs to consider more than just raw intrinsic efficiency predictions of computer models and generalized formulas. I really don't have room for a full, half-wavelength dipole, so I'm looking for options. Isotron Antennas : Multiband Combo - Antennas Parts Mounting Accessories Amatuer Ham radio antennas Contact Isotron antennas Isotron, small antenna, low-profile antenna. 3B-223 HF 3-Band antenna. See other listings. Be prepared and able to communicate in case of emergency with the largest selection at eBay. The feed point is at ground level and the radiating wire goes up over the house and into a top room window where I have a crocodile clip (acting as a switch), to attach the 160m. Get the power of a Super Antenna. My antenna's name probably reflects the fact that its design is derived from a military model. 2 Home Made HIGH POWER Magnetic Loop. 40m Compact 4-Square Antenna - EA5AVL. 111 - Helix Antenna. View the manual for MA8040V View the manufactures page for MA8040V View the eham review page for MA8040V The MA8040V is a compact self-supporting HF vertical that delivers excellent DX-hunting performance on 80 and 40. 6 Element 2 Band. PROS: In addition to the pros above, this antenna also works well on most bands above the one for which you cut it. Fed with 450 ohm window line to a DXE 1:1 balun (the most expensive part of the antenna system) and about 8 feet of RG-214 into the shack. My 23cm portable antenna collection includes: 12el DL6WU Yagi 12dB gain - lightweight boom construction using a folded dipole; 6el DL6WU Yagi 9 dB gain - ruggedised all brass construction gamma matched, ideal for the Australian scrub bash; and 2el HB9CV…. 2 meter telescopic antenna. The internal tuner of my FT950 tuned this antenna also on the other bands. This compact battery powered unit has an easy to read frequency display and measures SWR as well as Z (impedance) in the HF Band. 8 pounds), blend in with your surroundings while standing tough against nasty weather. The original antenna was designed as a moderately short antenna for the 10 meter band. March 13, 2019 June 12 2m 6m 10m 15m 20m 40m 43 foot 70cm 80m AHVD Aluminum APRS Baluns battery BigIR collinear Diamond dipole DX-Eng. 5 MHz) band. Frequency can be changed by means of shorting plug. HF – 70cm Multi-Band Mobile Antenna The 40M, 15M and 10M coils come with the antenna and are installed in the photo to the left. Brand new parts for this antenna assembly, including the $50 speaker stand, will set you back about $250… more than a little, less than a lot. XR6C - 11el 6 band 'Compact' HF £1,295. com 2004 marks my fifth full decade as a licensed radio amateur. 6oz) respectively. 112 - Novice Vertical Antenna for 80m, 40m, 15m, 10m. In there I have an MFJ magnetic loop covering 40m - 15m and a dipole for 10m. 6 wire elements – 2 active on each band. PVC pipe and end caps for weatherproofing. Also, an antenna tuner is required. It is a compact three-band magnetic antennaIt operates in three amateur short wavelength ranges of 20-40-80m (3. Fed with 450 ohm window line to a DXE 1:1 balun (the most expensive part of the antenna system) and about 8 feet of RG-214 into the shack. They advised that other compact aerials - even mobile aerials - were a better choice if space stopped me from putting up a "bit of wire" in the sky. On 40m it is a 2 wave length open loop or Bi-Square. All screws, nuts, washers, U-bolts etc. All bands 80m-10m HF 3. Cushcraft MA-8040V Compact HF 40/80M Antenna. 6M/2M/440MHz tuning is pre-set. Amatuer Ham Radio Antennas. Base Antenna 10m 12m 15m 17m 20m 30m 40m & 100 KHz on 80m - 8 Band HF Multiband Vertical Base Antenna. Except for feature differences they all set up the same. See my variation of the compact loop in the figure below. Rosewill Digital TV Antenna, HDTV Antenna, Super Thin UHF/VHF Indoor Antenna Multi-directional Range up to 35 Miles with 15 ft. Accepts mast diameters from 1. 5 Interesting observation was the antenna performed well on 6m. 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. 300KHz 2:1 BW on 10-15m; 350KHz on 20m. Cebik, W4RNL 1434 High Mesa Drive Knoxville, TN 37938-4443 e-mail: [email protected] This really is a good outcome where operation on 80m. Cebik wrote that if you had to bend your doublet, a Z shape was good, but I don’t have enough trees in the right places for this…. Several designs emerged in the 1970s for reduced size beam antennas implemented by folding the elements. 9m, and will handle legal limit power output with ease. 5mm is a minimum. 113 - Stub-Loaded Shortened Dipole for 80m. Maximum power:- 100 Watts, PEP. Unhappy with the results, he then played around with the overall length and added a balun at the feedpoint. Hassle free! Wide bandwidth and no tuner needed!!!. It needs no tuner on 40m, 20m and 10m. Small Receiving Antennas 4 to 9 dB RDF 4 dB: Bidirectional 8 foot diameter "magnetic" loop close to the ground 5 dB: Single vertical antenna (short vertical or ¼ wavelength vertical) 6 dB: 225 foot Beverage on Ground (BOG) 6 dB: 250 to 400 foot Beverage about 7 feet high 7 dB: Unidirectional terminated small loop flag, pennant, EWE, VE3DO. Contruction of a SteppIR. The Zerofive multiband Flagpole vertical is what you need to get on the air. I realized that I needed to use inductive loading to cram an 80m antenna into my 10m by 10m roof space. The RadioWavz DX (OCF) Windom is a off center fed (OCF) dipole antenna that exhibits outstanding performance on all bands. The antenna is ground mounted using 16 32-foot radials. Raise each pole individually - a little at a time if necessary, until at the required height. This multi-band antenna (80-10m) offers one of the best quality/price ratio and excellent performance when it is well feeded and placed high enough above ground (over 0. Performance on bands other than the one the dipole is resonant. My Top Five Backyard Multi-Band Wire HF Antennas L. Professional antenna analyzer - a compact rf impedance analyzer. Antenna Plus Minus Vertical Delta Loop-Low height and low radiation angle-Portable and compact-No radials-Lower Noise-Essentially a mono-band antenna-Depends on ground quality-Very large on 80m and 160m DX Wire Antennas –Comparisons. Diamond's new CP5H is a five band (40M, 20M, 15M, 10M and 6M) trap vertical antenna with trap radials. How to build a portable, efficient 40 through 10-meter vertical antenna on the cheap. The mounting arrangement consists of 2 plates – The 1st holding the main crossover poles (1 on top, 1 underneath) and the boom, the 2nd supporting the boom and fixing to a mast. Getting a Big DX Signal on 160-10 m from One Small, Low Antenna Chuck Counselman, W1HIS I live on a small lot in a dense, inner suburb of Boston and Cambridge. The 80 metre performance was great, far better than trying to tune up a 40 dipole to work on 80. 95 Normally $179. an indoor antenna. 5kW balun are included. A lot of these dipoles are well built with open wire feed and a few mounted over a ground plane to help minimise the loss of low height induced currents. By Arnie Coro Host of "Dxers Unlimited", Radio Habana, Cuba. - For Technical Information & Help - Bilal Company 137 Manchester Drive Florissant, CO 80816 719-687-0650. Welcome to the home of the Buddipole™, an hf/vhf portable dipole antenna system which is designed to be modular, versatile, and efficient. Windom 10-80m. CUSHCRAFT MA-8040V COMPACT HF 40/80M Antenna - $383. Below is a schematic of the basic idea behind this antenna. power here. 1982hp, end fed horizontal wire ant. A Single Coil Z-Match ATU. Its performance on receive is excellent. 116 - Hybrid Vee for 20m, 17m. Most of our antennas are 1/2 wave designs so an 80m antenna will be about 40m long, 40m antenna 20m long etc. 10-80M Alpha DX EMCOMM Antenna for Portable HF. i would love to put full size antenna but my yard here ain't big 500 sqm. 3B-223 HF 3-Band antenna. Super Antenna MR8075 SuperWire Radial Set 80m-75meter for HF Vertical Antennas 3. Please comment if you can on antenna usage. Shop with Afterpay on eligible items. Umbrella antenna for 80m and up- (€12 in 2015). WSPR 80m band activity data recorded for a 5 x 24 hour period of 25/09/17 ~ 29/09/17: Compare the Multi-band dipole antenna with the same antenna configured as a 'T" Antenna and configured as an 'L" Antenna for operations on the 80m amateur band. Amatuer Ham Radio Antennas. Magnetic Loop Antennas for The Radio Operator with Limited Space pt. • VK2ABQ may have been the first to publish a design with his "square " antenna. so is your turn to give it a try. for 40m you need 66ft wire, for 80m its 120ft. 25 An indoor inverted U wire antenna. , 800w 1982MP End Fed, 1/2 Wave, 80-10M, 300W, Wire Antenna End-fed horizontal wire, an EFHW, offers the perfect solution for a wide range of ham activities. 9 Compact, Europe E36 318tds Compact, Europe E36 318ti Compact, Europe. SteppIR vary the mechanical length of each element by means of a retractable metal band. ODE Test Set-up for the G7FEK Antenna # See note below ref RF earth system. See that? Even the 12' vertical antenna holds its own, on 80M. The length of the dipole is a very compact 19. By K1NQ (Rev 3/22/04) Introduction. The H-422 is a broad-band, compact, rotatable dipole designed to offer excellent performance even when mounted at only 10-15ft above ground in a V or horizontal configuration. In the end, the answer to an immediate problem became a continuing obsession that has spanned some 20 years. 2 for 80m and 1 for 40m. In there I have an MFJ magnetic loop covering 40m - 15m and a dipole for 10m. CAROLINA WINDOM® 80: List Price $199. We will order it for you. Antenna performance and 2:1 VSWR bandwidth is site dependent and varies with height above ground and surrounding objects. A ferrite rod antenna can work well for reception on 160m and 80m. Perfect for all HF modes including, but not limited to, CW, SSB (USB/LSB), AM, etc. Magnetic Loop Antenna Project The small magnetic loop antenna is a compact efficient antenna that is ideal for portable operation or limited spaces and can be improvised inexpensively. 112 – Novice Vertical Antenna for 80m, 40m, 15m, 10m. pdf Alpha_Antenna_Loop_Jr_user. 2 D i a m o n d A n t e n n a 33 T a b l e O f C o n t e n t s The HFV-5 is a compact and portable multiban d HF antenna. compared to a full sized 80M antenna that is. Field intensity drops off with the square of the distance from the base of the antenna. 5kW, 23-27ft. An antenna tuner is. Larger frequency excursions are easily made by lowering the antenna and. 5:1 or less. For superior reception characteristics, a Ferrite Sleeve Antenna. 107 - J-Style Antenna. This antenna covers 65kHz for 160m band, 75kHz for 80m band and the entire 40m band with SWR under 2:1. 5-57MHz (SWL 2. Umbrella antenna for 80m and up- This antenna is very compact: ≈ 120x120 cm (4x4 ft). I have no space on my city lot for a K9AY Loop or a Beverage antenna. The Comet FHJ-350M, Portable 9-Band, 1/4 wave base loading telescopic antenna for HF through 6M. The 40 Meter Isotron Antenna. With a power rated at 500 watts (P. 81 KB: Inclined. 21 Element 3 Band. Place a 1:1 Balun on the Antenna end of the Feedline. 3 Bander 20-15-10. The antenna design starts by a conventional rectangular patch and ground, from Fig. Super-Sloper Antenna. Alpha_Antenna_6-160_user. 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. The matcher box uses a T82-43 Fair-Rite core. 40m Mastless NVIS Antenna. Only 27 feet tall and weighing in at less than nine pounds, it is small and light enough for one person to handle easily without assistance. At only 27 ft. The front element is broken in the middle and driven via coax. Cushcraft MA-8040V Compact HF 40/80M Antenna MA8040V is a compact self-supporting HF vertical that delivers excellent DX-hunting performance on 80 and 40 Meters. Before getting on 80m though, I built my phase-one 40m loop which worked great and I was happy on 40, 20, 15 and 10m. It is designed as a highly portable wire antenna, easily set up as an inverted V, horizontal, sloper, or in the case of higher frequencies, a vertical radiator. Our antennas are designed to be neighbour friendly whilst providing outstanding performance. It is even more compact than a magloop. Two stainless steel eye-bolts are used to attach the antenna wires and another to support. Quickly switch bands and eliminate a tuner as one more thing to adjust. (More on this antenna below). Amateur Wire Antennas : Hy Power Off Center Fed. The DMV-II is a resonant V antenna designed to take advantage of the 80m band opportunities whilst the higher HF bands are less active. The CAROLINA WINDOM® was the first antenna to take advantage of 'VERT™' (Vertically Enhanced Radiation Technique) and this feature continues with the CAROLINA WINDOM® Compact™. By Arnie Coro Host of "Dxers Unlimited", Radio Habana, Cuba. The Watson 80Plus2 designed by G3OJV and sold by Waters and Stanton is a compact antenna measuring 52 feet in length that is designed to cover the 80, 40 and 20 metre bands. The antenna is a full size on 20m with full coverage of the 20m band. The antenna is essentially a tuned circuit with the inductor formed by a loop of wire measuring less than 1/4 wavelength in circumference and resonated to the. These trees are only 70 ft (21 m) apart, and too small to support. High Performance 40 Meters Vertical. 600 MHz net hearing many DX stations with a very poor antenna. Match is 1. NONE of the compact loop antennas is designed for 80m. Compact Portable HF Rig 80M –10M HF Bands. 5m above the ground at the high end and 0. Upside-down 80m CW PA 8p8 Using the NE602 as an Amplifier 45p10 ANTENNAE Review: Hand-carried QRP antennas 132p24 Antennas for HF Pedestrian Mobile 123p16 Thoughts About Antennas 122p25 The W0SJS Four-Band Portable HF Antenna System 122p21 The current choke or 1:1 UNUN 133p10 & cover (see 132p5) A Compact Switchable Balun and FD3 An-tenna 118p20. City dwellers sometimes find it difficult or impossible to erect full-size antennas for the lower ham bands, so there is considerable interest in more compact alternatives. Two stainless steel eye-bolts are used to attach the antenna wires and another to support. This antenna uses a 4 to 1 Guanella Current Balun that is rated at 250 watts, all stainless steel hardware, and covers the following ham. 25 An indoor inverted U wire antenna. The antenna isn’t really all that long, just 66 feet; The band is often open in the evening; Unlike 80m, which is full of nets, 40m is more open and you can call CQ and hope to get an answer; If you want to play with digital modes (such as radio-teletype or PSK-31), there’s a fair amount of activity. Price : US$625. With just 20. 00 ** The JK401 is a simple Hi-Q coil loaded rotatable dipole, with a small footprint as well giving great performance on 40M. AMATEUR ANTENNAS CATALOGUE : ZEROFIVE-ANTENNAS: SRH805 Compact HT Antenna. PVC pipe and end caps for weatherproofing. Larger frequency excursions are easily made by lowering the antenna and. LDG desktop tuners are perfect for your home shack, but can also be used portable or mobile if the need arises. Brand new parts for this antenna assembly, including the $50 speaker stand, will set you back about $250… more than a little, less than a lot. Due to the fact that one wire leg of the antenna is. I have no space on my city lot for a K9AY Loop or a Beverage antenna. We offer the follwing models: Series 3122, series 3180, series 3244, AN9890KAC00, AN121KAC01, AN181KAC01, Atom 65, Atom 99, RQT-Ka60cm, RQT-Ka75cm, RQT-Ka100cm. Helically Loaded Magnetic Loop Antenna. The RadioWavz DX (OCF) Windom is a off center fed (OCF) dipole antenna that exhibits outstanding performance on all bands. Each half is 700mm in length with a 250mm stainless steel tuning spike. All bands 80m-10m HF 3. They work well. Experiments with 160m antennas I planned to join a 160m SOTA summit-to-summit attempt in April 2017 and so obviously needed a 160m capable antenna that could be carried to the top of a mountain – not so easy at that wavelength. Magnetic Loop Antennas for The Radio Operator with Limited Space pt. • Elements were folded toward each other at about the 50% point (1/4 wave spacing required!!). The antenna produced excellent signal levels using only the 10dB preamplifier built into my TS-590SG. You have ample room for towers and antennas, but not enough room for Beverages. By no means is this approach unique, but it is proving to be very reliable, cheap (less than $60 in materials, if purchased) and can easily reach heights of over 150ft. An Efficient Multiband Vertical for 160 through 20 Meters. For example, to make a 150MHz dipole: 147/150 = 98cm so each element of the dipole should be 49cm. But most of this is just subjective, as I have said before almost anything will work on frequencies higher than 7MHz if the conditions are good. 58 (included in. Pick from here or from the drop down menu at the top of the page to visit the individual product pages for specifications, prices, and a link to the assembly manual for your review. 8 feet tall and the radials are 71” long and can be mounted 360 degrees around the antenna or. New customers who sign up immediately choose a private password. I cut a 6 foot section of wire out of the loop, half-way around the 40m loop as a daring experiment to give me a halo dipole for 80m. How good is a G5RV and how do they work? Ham Radio Antennas. The length of the dipole is a very compact 19. This antenna will cover 3. The antenna appears noisier than the station antenna, however given the low test height of the Tactical antenna this would be reasonable to expect. 5, 7/14/21/28-29 and 50mhz) six-band vertical antenna (4 pages) Antenna Diamond Antenna CP6 Assembly Instructions Broadband hf dipole antenna compact size (4 pages) Antenna Diamond Antenna CP8040 Operation Instructions. By K1NQ (Rev 3/22/04) Introduction. An antenna tuner is. It utilizes an internal 9:1 UnUn and a BNC female antenna connector. 3 M long and 5. The Autek Antenna Analyzer. The first night I was using the unit I listened to the 3. This ham radio antenna is truly top quality. With Low Profile Tripod and Universal Mount. Yeah, verticals can be more susceptible to near field vertically polarized noise but on 80m where band noise often dominates that's a bit less of a concern than on higher frequency bands. Get the power of a Super Antenna.