How to Build Several Easy Antennas for Amateur Radio. Evolving from a simple end-fed Marconi for 80m, the idea was to use the opposing. Multi-Band Portable Antenna 24 38. 2 appears odd. Well renowned antenna for the harmonic bands 80, 40, 20, 17, 12 and 10m. A Windom Antenna by K3MT This Windom antenna was marketed in the late 70’s and early 80’s as Smithe’s Windom. FD4 (80/40/20/10 m). Doing so for the multiband Windom or off-center-fed dipole antenna (see table below), leads to the stunning revelation that, over these many years, antenna dimensions and feed locations have not changed much from the original single-wire 500Ω design. Non-Radio Items For Sale. DX OCF Windom antenna by RADIOWAVZ Band width: 80M,40m,20m,10m Typically with out a tuner. On 6/16/1992, a category F5 (max. An HF Antenna Analyser for under $50 - K6BEZ Ham Radio Projects. It has given me hours of enjoyment, opportunities for community service, help in saving lives, a career in radio & more. The CAROLINA WINDOM is also ideal for those of you who want a high performance antenna to cover the bands not covered by your beam antenna. (• Windom(for(10(- 40(meters(shown. It needs no tuner on 40m, 20m and 10m. The entire wire radiates RF all the way from the rig on out to the end of. com helpingallmankind. Read honest and unbiased product reviews from our users. Este artículo también está disponible en Español (this article is also available in Spanish). See my Shack page for links to my Windom Fan Dipole early and recent setups. net is a Web site dedicated to ham radio (amateur radio). About Maxcon Our goal is to build quality products at prices no higher than what hobbyists would pay in building them, themselves. 6 Below is the SWR plot for the initial 'retuned' antenna that uses a series L-C to get back the resonance on 160 meters. Manufacturers of High Quality Amateur Radio / Ham Radio HF Yagi, Transmitting and Receiving Antennas. The New Carolina Windom antenna is a classical antenna in our series of HS4 Legendary Multiband Wire Antennas. This is a broadband VHF and UHF antenna. Covington (Windom) antenna is an off center fed dipole. 2% for the longest side after determining the half wave length at the lowest operating frequency…. Limited Space High Performance Antennas. These are going to be the two halves of your dipole antenna. 9) in the CW portion of 20m to obtain a 50 Ohm match using my MFJ-259B Antenna Analyzer. Vertical Dipole Portable Base Mobile Alpha Magnetic Loop antennas. com hamradiopros. The next generation in Design and manufacturing. It's also ideal for those who want a high performance antenna with world class DX coverage 40, 20, 10, and 6 meters. Does the Carolina Windom Antenna Work? A document describing my personal experience with 3 different models of Carolina Windoms, over 2 years of testing. org 3919tech. UV insulated stranded wire. 49 - Double Windom for 9 Bands. Read honest and unbiased product reviews from our users. Antenna HF bultibanda DELTA LOOP balun rg59 75 Ohm i6ibe. ozaukeeradioclub. The Carolina windom antenna is a vastly improved and much more effective antenna than the old windom of the Here is why and how it works. It is a high-impedance, center- fed Zepp antenna on even harmonics. Mixer Courtesy Pentek Software Defined Radio. The RadioWavz DX (OCF) Windom is a off center fed (OCF) dipole antenna that exhibits outstanding performance on multiple bands typically with out a tuner. So that being said the measurements vary depending on who you talk to. " As with all ham stations QRO or QRP, ten percent ofa station?s success in quality QSOs is the equipment and the operator. The Balun matches the Balanced Antenna into the Unbalanced Coax Cable. ANTENNAS AND SUPPORTING STRUCTURES Metal antenna structures that are anchored into the ground are inherently self-protected. 8% for one side and 62. de specialist van antennes-audio-hf transceivers-acom hf eindtrappen en masten van nederland sinds 1990. long - $124. Puerto Rico, USA. The main category is Windom antenna that is about Windom antenna links. A shortwave broadband antenna is a radio antenna that can be used for transmission (and reception) of any shortwave radio band from among the greater part of the shortwave radio spectrum, without requiring any band-by-band adjustment of the antenna. 50 - Collinear Trap Antenna. Advertisements. com buxclub. W8JI: "A vertically polarized antenna with a good ground system will work much better than any horizontal antenna. Read more about this venerable wire antenna at http://www. 52 - Center Fed-Zepp Antenna for 80m - 40m. Hi Jorge, it is interesting because it is more like the original Windom than yours is. Windom 80m Windom 160m Yagui 6m Yagui 4m Yagui 2m Yagui 70cm Vertical 10,15 e 20m Vertical 10,12 e 17m Vertical 10,12,15,17 e 20m Cubica Outra. Handbook Antennas Book The book covers not only the fundamentals of radio electronics—analog and digital—but also practical circuit and antenna design, computer-aided design. The tuner in the images below is in BYPASS mode. Dear friend, i have a self building Windom; it is a dipole of 80 meter with the connection at 1/3 of the lenght: in this point the impedance is 300 ohm, and with a balun 1:3 i obtain 50 ohm; for the band of the 21 Mhz i put a second dipole only for this band, connected ad the same mode of the other; the lenght of this is 2. Holding true to the original Windom formulas, I used a ratio of 37. Windom antenna Length 42m for 80/40/20/17/12/10m 200W HF Ham Radio | Mobile Phones & Communication, Radio Communication Equipment, Antennas | eBay!. As you can tell from many of my posts, I try to experiment a bit with antennas. The RadioWavz RW-N antenna is designed to provide high-angle radiation NVIS (near vertical incidence skywave) to permit short-range skywave propagation over communication circuits varying from 0 to 300 miles. OFF CENTER FED Dipole / Windom Antenna - 80-6 meters - 500 W PEP - 132 ft long - $99. Off Center Fed Dipole • Derived from the Windom antenna - Invented by W8GZ in 1929 - Ham bands were harmonically related (160-80-40-20-10M). It is an hybrid antenna mixing properties of a dipole and a vertical. Frequency Range. Similar to W-815, but for all 4 bands allowed to German class "E": 160/80/15/10m. CAROLINA WINDOM® 40 This antenna was used to set the 40 meter miles-per-watt world record. Off-Center-Fed Dipole, OCFD, Windom, Whereas a Dipole is a half-wavelength long radiator, fed in the Center of two equal length legs, the Off-Center-Fed Dipole (which I prefer to call a WINDOM) is a Dipole whose feedpoint is at a point removed from the center of the antenna. de specialist van antennes-audio-hf transceivers-acom hf eindtrappen en masten van nederland sinds 1990. May 2017 Tuner for Oblong Loop HF Antenna. Enjoy Field Day! Current Location:Home>Prouducts AP-8 POWERPOLE SPLITTER. The Windom is an Off-center wire multiband Antenna. The Original Windom Antenna of The 1930's The original windom was a Zepp-type antenna fed 14% off-center with a single wire. Field Day Ham Bone Ham Radio Low Angle Radios Compact Ham Bone Ham Radio Low Angle Radios. 1 A 9:1 Balun For Your End Fed Antenna End-Fed antennas do have their place in radio and other communications work. Herwig online > SW antennas [ Deutsch]. If hanging the antenna from a tower, you need to use a horizontal 5 foot or longer PVC or fiberglass pole to keep the antenna away from the tower. 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. Multiband windom antenna calculations. Doing so for the multiband Windom or off-center-fed dipole antenna (see table below), leads to the stunning revelation that, over these many years, antenna dimensions and feed locations have not changed much from the original single-wire 500Ω design. Number10onyourFeedbackcard 73 Review by BillClarke WA4BLC The CarolinaWindom 160 Work 160-10meters withjustoneantenna. Simply cut two equal lengths of stranded copper wire. WINDOM ANTENNA LENGTH 42m for 160/80/40/20/17/12/10m 200W HF Ham Radio - £142. Collins Multi-band Antenna •1935 Collins Radio had a “very” similar antenna –Multi-band 2, 3 or 4 band depending on config. This antenna is in use the world over by DX'ers and DX'peditions. Any direction is appreciated, Ron, K2RAS. org 3919tech. Only at eHam. The Arrl Antenna Book Buy the Book At Amazon; The Radio Amateur Antenna Handbook By William I. These documents are free to Amateur Radio Operator's and Not-for-Profit organizations. It covers 6 bands, 10-12-15-17-20-40m. 02 - Half-Lamda Tee Antenna. Amateur Radio has been a supreme way of communications for many ways of getting messages from one place to another for decades!. The DX'pedition team also had a beam and verticals, but the New Carolina Windom was the antenna they used. 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. WINDOM ANTENNA. Alpha Delta is now selling an almost exact duplicate of the original Fritzel antenna. It's an ideal antenna for those of you who do not wish to use a tower and beam. A halfwave antenna is a resonant antenna irrespective of where it is fed. This Windom antenna was marketed in the late 70's and early 80's as Smithe's Windom. DMU = Dedicated Matching unit. Any direction is appreciated, Ron, K2RAS. The Windom is an Off-center wire multiband Antenna. Vertical or directional. G7FEK Limited Space Antenna G7FEK Multi-band "Nested Marconi" Antenna - 2008 Version (rev 5) This antenna was first conceived as a simple dual band antenna in 1988, in an attempt to achieve sensible dual band operation in a small garden of 14m (46 ft) length. It is an off centre fed dipole, with 10 feet of vertical radiator. Bushcomm www. Probabilmente senza Balun (9:1) l’antenna non funziona assolutamente. Please select from the menu on the left. Off Center Fed (OCF) Dipole Antennas. About Maxcon Our goal is to build quality products at prices no higher than what hobbyists would pay in building them, themselves. Dipole Antenna Calculator. Dipoles are cheap, easy to build, and wideband. Off Center Dipole Fed Antenna for 80-, 40-, 20-, 15 and 10- meter Bands. Think of the "Carolina" windom antenna (the modern version of the windom) as an "upside down vertical antenna", hanging down from its counterpoise strung (more or less horizontally) some 10 meters (or more) above ground. Whereas a Dipole is a half-wavelength long radiator, fed in the Center of two equal length legs, the Off-Center-Fed Dipole (which I prefer to call a WINDOM) is a Dipole whose feedpoint is at a point removed from the center of the antenna. My QTH consists of a Pixel amplified mag loop antenna for HF receiving. Just make it as long as possible. I have been carefully reading about Ham Radio antennas and have just about decided on one of these antennas as my first real live multi-band antenna. Thank you for your description. 1 A 9:1 Balun For Your End Fed Antenna End-Fed antennas do have their place in radio and other communications work. It's an ideal antenna for those of you who do not wish to use a tower and beam. How to Build Several Easy Antennas for Amateur Radio. Frequency Range. Advertisements. Ahh, the good old quarter wave ground plane! This calculator can be used to design a Quarter Wave Ground Plane antenna, with radials. If hanging the antenna from a tower, you need to use a horizontal 5 foot or longer PVC or fiberglass pole to keep the antenna away from the tower. The SWR is generally below 1. This disambiguation page lists articles associated with the title Windom. Enter the New Carolina Windom. Online shopping from a great selection at Electronics Store. Below is my dilemma. Specialising in new & used Ham (Amateur) Radio, Commercial Two-Way Radio, Marine & Aviation equipments. These documents are free to Amateur Radio Operator's and Not-for-Profit organizations. I would recommend the Carolina. After looking at the various examples online, I opted to re-engineer an existing design - Some of which used either plastic PVC conduit clamps or small U-bolts - I opted to use the rugged Stauff element clamps which are able to support the spreaders securely without damaging or stressing them. 19-22, 84), Loren G. 4 Center Insulator #12 White THHN RG6 End Insulator for a 40M Dipole • 6 turns of RG6 around a “big clamp-on” is enough for 500 watts of serious contesting – About 5,000Ωresistive impedance. Most of the current transceivers with a built-in automatic tuner will tune a CAROLINA WINDOM® on all bands. built to the highest standards. In the right condition, an antenna tuner is not needed for these three bands. com buxcommunications. Loosely matching rhymes for windom antenna. [email protected] The old version was fed just by a single-wire connected on 1/3 of antenna's overall length or with an open-line feeder (later versions). A notch was cut in the PVC pipe and was slid down and around the feed bolt. com hamradiopros. Windom's "Ethereal Adornments" L. Dipole, EFHW, Vertical, Windom antenna comparison Using our field day equipment we set up four wire antennas to find out for ourselves how they play. CAROLINA WINDOM® 40 This antenna was used to set the 40 meter miles-per-watt world record. Jones Antenna Handbook -- 1937. Unun/balun, which transforms impedance of antenna and is located at the “feedpoint” 4. 5:1 on 6, 10, 20, 40 & 80m bands and can be operated without an antenna tuner. Online shopping from a great selection at Electronics Store. Rather than reinventing the wheel, every antenna project should start with a quick literature study of similar published antenna designs. You can also enjoy multiband performance without traps, coils, fans or other schemes. DIY CAROLINA WINDOM I have wanted to build a multi-band wire antenna for some time now and this past Field Day I had an opportunity to use a very good one. I used 40 meters (67') at 7. I was able to tune the Western HF-10 on Top Band using an external ATU. This disambiguation page lists articles associated with the title Windom. This antenna is being actively used at the QTH of KE5KJD, where comparisons have been made with three other antenna systems. Windom antenna impedance. Base Windom Fan Dipole. Homemade Carolina Windom antenna. The original grasswire used by K3MT in the summer of 1988 was just 204' of #18 AWG magnet wire laid along the property line, anywhere from 1" to 6" above the ground. Only at eHam. Antenna Width: 136 ft. How they work. A Windom Antenna by K3MT This Windom antenna was marketed in the late 70's and early 80's as Smithe's Windom. shack and connects to the radio or the antenna tuner. The CW-80 RadioWorks Carolina Windom 80, The size of this antenna makes it ideal for many gardens and its DX potential will ad at least an S-point to your signal on most occasions. As with all ham stations QRO or QRP, ten percent ofa station?s success in quality QSOs is the equipment and the operator. So it may be necessary to prune helix height after deliberately making it too long. Follow this link for details. Input choke balun, to filter common mode currents 2. schemas/yagi_vhf_antenna. G0GSF (ex-ZS6BKW) came up with a similar design that is a significant improvement over the G5RV. I have wanted to build a multi-band wire antenna for some time now and this past Field Day I had an opportunity to use a very good one. All antennas need a common mode balun. One such antenna is the W3EDP end fed. The Fairy 2. ozaukeeradioclub. 19-22, 84), Loren G. A Broadband 80/160 Meter Dipole. The RadioWavz DX (OCF) Windom is ideal for those of you who do not use a tower and beam. What is the best way to hang an off-center-fed dipole or windom antenna as an inverted-V? Should you hang the feedpoint at the apex, or hang the center of the antenna at the apex? From an electrical standpoint the best way is to hang the center at the apex. But on even harmonics, the center of the antenna has a current minimum. The VRD is longer made. >>> Total length. The radiating element is a quarter wave (λ/4) and the radials are 12% longer. Enter the New Carolina Windom. hf antennas. After looking at the various examples online, I opted to re-engineer an existing design – Some of which used either plastic PVC conduit clamps or small U-bolts – I opted to use the rugged Stauff element clamps which are able to support the spreaders securely without damaging or stressing them. Off Center Fed Dipole • Derived from the Windom antenna - Invented by W8GZ in 1929 - Ham bands were harmonically related (160-80-40-20-10M). The antenna column in The Spectrum Monitor magazine recently described a loop antenna on a roof shaped very similar to yours. 647 MHz) renders the dipole resonant on the 80 (actually 75) meter band, while resistor R has as sole function bleeding off static charges, hence protecting capacitor C. Hexbeam antennas by MW0JZE, Innovation not Imitation Unlike some manufactures our Hexbeam antennas are plug and play, no assembling spreaders or cutting wires, DX right out of the box!!. Rick Sagers (W7YC) and David McAnally (WD5M) have been working on an Offset Center Fed (OCF) Dipole antenna project the past few weeks. The wire antenna is 40 meters long and fits easily in my top pocket of my hiking backpack. I think he was using it for a write up he was doing for some radio magazine, I forget which but either way he was selling it on Ebay and I got a bit of a bargain. My goal was to test how well two different antennas that I made for field use compare to my base station antenna. Multiband Wire Antennas and ATUs FD4, G5RV and Automatic Antenna Tuners. This house has been listed on Redfin since May 01, 2019 and is currently priced at $97,900. La antena dipolo tipo Windom fué desarrollada hacia 1929 y se atribuye su creación al aficionado Loren Windom, W8GZ. BUXCOMM 3555-STV Kit, Sloping Terminated Vee Antenna Assembly and Installation Items shown above are included in the BUXCOMM 3555STV kit Parts and Components, see photo below:. 19-22, 84), Loren G. February 19, 2015 TVARC Antenna Guide for The Villages 15 Flagpole One of the best ideas for disguising your remote tuner is a fiberglass water well pump cover Keeps electronics hidden, dry and accessible later “Shorten” or “Loaded” Monopoles Antenna On Air Stealth Tuner Install Cost 6M 10M 12M 15M 17M 20M 30M 40M 80M 160M. The perfect "all band" antenna. Jones Antenna Handbook -- 1937. ) This page details several T-match tuners. He says it performs very well. Rather than reinventing the wheel, every antenna project should start with a quick literature study of similar published antenna designs. The Secret is in the Vertical Radiator. APPENDIX A Double Windom Antenna for Eight This which originally appeared as two articles in cq-DL, was translated from the German by Dr. A remotely-tuned loop receiving antenna for LW and MW If your only knowledge of suburban Maryland comes from seeing the movie The Blair Witch Project, you probably think Maryland is a vast wilderness where it would be easy to pick up longwave broadcasts without interference. Orr, Stuart D. It's with no doubts a good solution for the field day operations and for those who want to pack light for a vacation trip,since it's possible to operate on several bands with the same antenna. A six-band, HF Windom antenna April, 1997 This Windom antenna was marketed in the late 70's and early 80's as Smithe's Windom. It's an ideal antenna for those of you who do not wish to use a tower and beam. These are going to be the two halves of your dipole antenna. The end of a dipole is 2-3000 Ohms and resistive. DX OCF WINDOM 80m,40m,20m,10m by RADIOWAVZ Band width: 80M,40m,20m,10m Typically with out a tuner. 2% for the longest side after determining the half wave length at the lowest operating frequency…. UV insulated stranded wire. org 3919tech. Cheap winton, Buy Directly from China Suppliers:1pcs WA-4 Four -band Portable Shortwave Antenna Winton (Windom antenna ) Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. UV insulated stranded wire. Somewhat more bandwidth then a dipole, good SWR on all bands. UV insulated stranded wire The RadioWavz DX (OCF) Windom is ideal for those of you who do not use a tower and beam. It is an off centre fed dipole, with 10 feet of vertical radiator. Friday - November 01, 2013 - Amateur Radio at the Beach - Amelia Island - KH2D. This improves performance on 40, 30 and 20 meters and to some extent on 17 and 15 meters. 2/7 >> Perkembangan zaman juga membawa pemahaman baru tentang cara kerja Antenna Windom ini, karena. The ground slopes downhill slightly from left to right and the masts at the ends are only about. Find great deals on eBay for windom antenna and carolina windom antenna. Evgeniy Slodkevich, UA3AHM The VS1AA antenna made by an American named Windom (1936) had been the ancestor of City. Wire Antennas for Ham Radio Tee Antenna Half-Lamda Tee Antenna Twin-Led Marconi Antenna Swallow-Tail Antenna Random Length Radiator Wire Antenna Windom Antenna Windom Antenna - Feed with coax cable Quarter Wavelength Vertical Antenna Folded Marconi Tee Antenna Zeppelin Antenna EWE Antenna Dipole Antenna - Balun Multiband Dipole Antenna Inverted-Vee Antenna Sloping Dipole Antenna Vertical. I started off with a couple of attic antennas. It is a half-wave long on the lowest frequency, and is fed from a coax cable through a transformer inserted in the wire at one-third from one end. 01 (5 offers) - Buy N9hrp ISO-1 Line Isolator 796152335267 Choke Ocf Windom Antenna 160-2 Meters 2kw. Windom to know the difference and for heavens sake, DO NOT attempt building a J-Pole for seventy-five (75) meters. Combines the tremendous DX firepower of the 1/4-wave sloper with the wide bandwidth of the 1/2-wave dipole. WINDCAMP Portable Windom Antenna QRP Ft-817 Eleacraft KX3 Quad-Band Portable shortwave Portable HF Antenna 40m 20m 10m 6m. The SWR is generally below 1. DMU = Dedicated Matching unit. The VRD is longer made. com: On Mar 4, 4:07 pm, Owen Duffy wrote: According to my ARRL Antenna Handbook, the Windom Antenna was described by Loren Windom in QST in 1929. Cebik and other short dipoles. An easy to build single wire antenna for 160 and 80 meters with a better than 2 to 1 swr across the 80 meter band. long - $124. The entire wire radiates RF all the way from the rig on out to the end of. Carolina Windom - ~81ft on the long side, ~50ft on the short side with a 4:1 VOLTAGE balun, 22-25ft of coax then a 1:1 choke balun. It is a high-impedance, center-fed Zepp antenna on even harmonics. I have an interesting situation. Today I built and put up a OCF inverted-v dipole using with a 133 foot total length of #14 insulated THNN with the short leg cut to 44 feet. Even if the wires and feedpoint are protected by insulation and the ice isn't directly touching, a thick coating of ice will make a tube around the wires, and the resulting capacitive coupling is a low impedance at RF. The center connection is an old Carolina Windom 4:1 current balun fed with RG-8X. Like everything else, antennas come in many forms and flavors. The New Carolina Windom antenna is a classical antenna in our series of HS4 Legendary Multiband Wire Antennas. 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. Note The following antenna projects were gathered from the internet, therefore the author does not endorse any of the projects, you are on your own. org windom-antenna. Despite the antenna's short length I was able to work and hear UK stations, but signals were well down, typically around S5 compared with S9+10dB on my Windom (which itself is too short for Top Band). Only at eHam. But this time instead of cutting my wire to the length required I started from the terminals of the 4:1 jetstream balun to the receiving part of the dogbone. A Double Windom Antenna for Eight or Nine Bands By Hubert Scholle, DJ7SH, and Rolf Steins, DL1BBC The asymmetrical dipole antenna developed and described by Windom (W8GZ) in 1929 has been used by many amateurs for many years as the FD4. How to Build Several Easy Antennas for Amateur Radio. It covers 6 bands, 10-12-15-17-20-40m. The single-wire feeder radiated RF all the way into the operating position. Save products on your wishlist to buy them later or share with your friends. DX OCF WINDOM 80m,40m,20m,10m by RADIOWAVZ Band width: 80M,40m,20m,10m Typically with out a tuner. I7SWX COAXIAL-FED MULTIBAND “WINDOM” ANTENNA Giancarlo Moda – I7SWX This simple multiband antenna works on all HF bands from 3. 04 - Swallow-Tail Antenna. com buxclub. The off-center fed CAROLINA WINDOM provides unusually good performance on all bands covered, including the WARC bands. Tornado activity: Windom-area historical tornado activity is above Minnesota state average. 2% for the longest side after determining the half wave length at the lowest operating frequency…. au Bushcomm 21 River Road DB00399/8 2 ©Bushcomm 2015 Bayswater. 8% for one side and 62. I used 40 meters (67') at 7. The feed-point of this type of antennas (off center) has an impedance of about 300 Ohms. RADIOWAVZ DX 80 (OCF) WINDOM product reviews by real people like you. com hamradioexpress. I am planning to use the Windom here at my home in New Orleans. Antenna gain is a zero sum game. Hi Jorge, it is interesting because it is more like the original Windom than yours is. 31 acre lot and features 4 bedrooms and 2 bathrooms. Buyon charging his Antenna Beam. Introducing the W8AMZ 80-6m OCF / Windom Multi-Band Antenna using a 4:1 Balun and rated for 2 KW. Ni4L Antennas & Electronics, Ham Radio Antenna, Amateur Radio Antennas, Shop with confidence, Amateur Radio, Homebrew Antennas,. Alpha Delta is now selling an almost exact duplicate of the original Fritzel antenna. The RadioWavz DX (OCF) Windom is ideal for those of you who do not use a tower and beam. Whereas a Dipole is a half-wavelength long radiator, fed in the Center of two equal length legs, the Off-Center-Fed Dipole (which I prefer to call a WINDOM) is a Dipole whose feedpoint is at a point removed from the center of the antenna. How they work. com helpingallmankind. We Specialize in Television Antenna Installation. Thank you for visiting Ham’s Life. Tight "flat-top" (horizontally over ground) it is horizontally. Windom to know the difference and for heavens sake, DO NOT attempt building a J-Pole for seventy-five (75) meters. htm Mint a képen látszik, nem volt lehetőség egyenes. A 160M Carolina Windom. The CHA WINDOM 40 is a broadband High Frequency (HF) Off-Center Fed Dipole (OCFD) antenna, specifically designed. The larger the wire, the wider the bandwidth. Featured Presentation from Pete Rimmel, N8PR. DX OCF Windom antenna by RADIOWAVZ Band width: 80M,40m,20m,10m Typically with out a tuner. The CAROLINA WINDOM is also ideal for those of you who want a high performance antenna to cover the bands not covered by your beam antenna. Monoband or multi-band. This improves performance on 40, 30 and 20 meters and to some extent on 17 and 15 meters. One leg is 67 ft. Find more items of products in Antennas ( 1/4 balun for antenna, Antenna Windom FD-3, Discone antenna (antenna disco-Con) FKO-1000 and many other). About New Carolina windom antenna The resource is currently listed in dxzone. Installs like an Inverted-V with ground return accomplished thru tower or down-lead. This is especially true in QRP since with. Credit Line: Radio 1951, # 4, p. The RadioWavz DX (OCF) Windom is ideal for those of you who do not use a tower and beam. City-Windom Antenna History. com buxclub. Base or mobile. Terminated Sloper Antenna 25 39. WINDOM, 80m - 10m, just 20m long (short version). I used 40 meters (67') at 7. Ninety percent is the antenna. Antenna Width: 136 ft. net is a Web site dedicated to ham radio (amateur radio). Dipole antenna type WINDOM DDK-20 bands 80-40-20-15-10 Total length, 41. Este artículo también está disponible en Español (this article is also available in Spanish). The main part of the CobWeb is the mounting-plate that holds the crossover poles and boom arm. THE OCF FD4 (FD3) WINDOM ANTENNA FD4 (80/40/20/10 m) The 4-band Fritzel model FD4 is a special version of a Windom antenna. I have wanted to build a multi-band wire antenna for some time now and this past Field Day I had an opportunity to use a very good one. Vine Antennas Premium Quality Antennas supplied by LAMCO Barnsley, 5 Doncaster Road, South Yorkshire S70 1TH - Those who know, trust LAMCO. Advanced Search Efhw vertical. Deane, All are good antennas. com, [email protected] a new school year is set to begin in the windom school district.