The carolina windom is the antenna that has helped put many 160 and 80 meter stations on the map. Jan 26, 2020 dx vertical antenna for lowbands 80 160. It isnt easy to put out a respectable signal on 160 meters. It may be even harder on 80 meters because everyone has a strong signal. In the photo above, the 160 meter section is on top, 80 meters in middle and 40 on bottom. My back fence is 50 ft from the rear of the house and not enough room on the property for 80 meter wire antenna must less a 160 meter one, and this to work. Getting a big dx signal on 16010 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 1608040 meter multiband fan dipole lower right mounted on the tower. Another antenna added from the antenna plan is a 160 meter. Ham radio a 160 meter end fed half wave antenna on 630 meters. Going back to the original antenna running along my back property line, i put a 200 pf series capacitor in the middle of the antenna. A customdesigned capacity hat system allows you to get on 160 meters with unparalleled performance.
Amateur radio soundblaster software collection dl9qj antenna modeling. Short antennas for 160 meter radio dares to discuss the possibility of smaller antennas for this intriguing band. Some call it a skywire loop antenna, some call it a w0mhs loop skywire antenna, nowadays its called a full wave loop antenna but it still is a force to be reckoned with. In the first couple hours of having it up i was able to hear stations i could not hear bef. Just stick a small or fake tv antenna on the 40 foot pushup or even a small 2 meter beam.
The pef 16010 contains a ft24061 trifilar wound, 9. It is based upon selected highlatitude magnetic observatory data which is used to estimate the influence of the auroral oval on 160 meter path propagation refer to the march and april 1998 issues of cq magazine for details. Getting a big dx signal on 16010 m from one small, low. That would be a horrible antenna choice for 160 meters mobile. A custom designed capacity hat system allows this vertical monoband antenna to get on 160 meters. Portable endfed 16010 meters dipole antenna ni4l antennas. Id seen all sorts of recommendations online about the length of wire for a 160 meter loop, and none of the were 160 meters. The double bazooka can be mounted in an inverted v configuration for optimum results, center elevated, with 90 120. The kj4iif multiband fan dipole for 160, 80 and 40 meters. To support an antenna, i have no tower, and only two trees that arent too close to a house. June 1991 helped me understand what essential considerations i had to take into account. My most recent antenna for top band was an odd shaped 160 meter full wave length loop. Dx engineering 160 meter thunderbolt vertical antennas are highperformance antennas specifically designed for use on top band. Marconi inverted l antenna 160 meters no tuner needed.
Having had a gem quad hf 201510m for a few years, back in the early 80s, i can testify to the quads slight advantages over a tribander yagi with the same number of elements. Also, our races room at the county eoc has 160 meter capabilities. A foot length of 12 gauge pvc covered stranded wire slopes up from the ground system to the 40 foot level of the 45 foot tall fiberglass flagpole about 60 feet of wire length and then proceeds about 70 feet toward the far back edge of my property. This tower supports ropes for 80meter antennas, and very long ropes that support four. Consider almost anything else that is longer and with a top hat. Latin america probably doesnt need listening antenna. In the first couple hours of having it up i was able to hear stations i could not hear before. A portable vertical antenna for 160m antennas i1wqrlinkradio. Article by bill orr w3sai on solving problems on 160 meters band antennas. This means that operation on the cw dx frequencies and dx phone frequencies is within range of most radio internal tuners no antenna changes are necessary. On each half of the antenna, all dipoles halfs are connected together at a.
Wintertime is the perfect time for exploring the top band. Antenna 160m kb9cry rotatable low band receiving delta loop 160m. With a vertical the antenna is only half of the circuit, while the ground system provides the other half of the antenna system. Here is the pattern of the 16080 meter antenna on 3. An enigma shrouded in mystery, by cary oler and ted cohen. About broadband 80160 meter dipole the resource is currently listed in in 2 categories. I put up a 160 meter end fed half wave antenna to get a feel for how it behaves, gathering more data and experience before the big spiral delta. The size is somewhat formidable, but the carolina windom 160 is a single antenna that does it au from local 1601 75 round tables to 10 meter dx. In the evening when most of us have time to relax and enjoy a little time on the radio, the higher frequency bands are. It will work all of the 40 meter band plus a portion of the 80 and 160 meter bands. It now has stacked yagis pointed towards europe for 10meters. The super vertical antennas differ from similar ones on the market in several features. F8fki, biggest vertical antenna for 160 meter band in france duration.
Both the antenna and the raising fixture are made from aluminum tower sections. This tower supports ropes for 80 meter antennas, and very long ropes that support four 14 wave tall vertical elements for a 160 meter four square. Coil of aluminum tube for a perfect mechanical seal. Long wires, beverage i would like to hear your opinions and if possible with a link to how to built one. However, 160meter antennas can be large and difficult to install due to lack of available space. Since valor went under i dont know of anyone who makes a 160 meter hamstick style of antenna so, i made one. The above antenna works nicely but is not broad enough on 80 m. Open wire ladder line one conductor from balun or tuner to far end insulator. Good 160 meters antennas are easy to build with nothing more than readily available materials. Dec 17, 2014 get 1606 meters coverage and 1500 watt operation with a single antenna. An early version of this type of hwv antenna for 160 meters was the rubber duckie antenna developed by joe moraski, ky3f, in the early 1990s. However, when i operated on the lowest ham band, 160 meters 1. Those who have used the antenna on 160 say the gi mystery antenna is a quieter receiving aerial compared to other 160meter antennas.
Id seen all sorts of recommendations online about the length of wire for a 160meter loop, and none of the were 160 meters. Alpha antenna vertical dipole portable base mobile. In the evening when most of us have time to relax and enjoy a little time on the radio, the higher frequency bands are either dead or very crowded. A 160 meter antenna for a small backyard the engineering mind. Oct 22, 2007 that would be a horrible antenna choice for 160 meters mobile. Given the length of a 160 meter 14 wavelength vertical, this strongly suggested that the vertical be made from an aluminum tower. In your opinion wich is the best 160m antenna to build. This mfj2990 is a 43foot selfsupporting vertical antenna that covers 160 through 6 meters with the use of an antenna tuner. The double bazooka antenna will handle full legal limit power with no effect to performance. A customdesigned capacity hat system allows you to get on 160 meters with unparalleled performance find dx. Getting a big dx signal on 16010 m from one small, low antenna.
A simple link tuner for 160 chiburban radio mobileers. Marconi inverted l antenna 160 meters no tuner needed fits on city property very efficient. The pef 160 10 contains a ft24061 trifilar wound, 9. My homemade amateur radio antenna for the 160 meter band is the result of many considerations, inner debates and tests. The matchbox handles 500 to watts of power pep into a matched load. The 160 meter band vertical antenna is tunable with an impressive 40 khz bandwidth. The 160 8040 meter multiband fan dipole lower right mounted on the tower. Since my reemergence on the bands this year, ive noticed 160m, and tried various things to make my wire antenna off center fed dipole, which works 8010, load on 160, to no avail. The new 200foot rohn 45g tower in the center foreground is the new main omnidirectional 160meter antenna. The skywire loop is an excellent antenna they can be a bit of work to get up in the air if you have a lot of obstacles trees. A 100 watt transmitter driving a ham stick will give you less than 1 watt radiated. Intended for amateurs with advanced skills in antenna modeling, grant. As i started to plunge into research on a 160 wire antenna, i found an article i wrote about the design and installation of my ocf dipole, and ive included it on. However, we have found that even on normal city lot you can erect an effective antenna for 160 meters.
Arrl, the national association for amateur radio 225 main street newington, ct, 061111400 usa tel. A 160 meter antenna for small lot iw5edi simone hamradio. Thus, an excellent ground system is imperative to the type of. Use vector analyzer to measure feedpoint z of an existing antenna thats too short, export data to simsmith and predict inductance coil winding formulas in arrl handbook are very accurate. And the counterpoise wires are invisible, for that matter.
As for the theory of operation, it remains a mystery. As you can see, it may even be easier to hide a 160 meter inverted l than a 40 or 80 meter inverted v. Mar 04, 2012 f8fki, biggest vertical antenna for 160 meter band in france duration. K6mm 160 meter vertical a restricted space helical vertical. Now i was able to analyze the antenna with the new k6sti computer program. Dx engineering 160 meter thunderbolt vertical antennas dxe. The main category is antenna for 160 meters band that is about 160 meters band antenna. On each half of the antenna, all dipoles halfs are connected together at a common point on each side of the center insulator. Chameleon antenna chamilext2 collapsible antenna extension, adds 80m and 160m operation to the cha mil 2.
Use nec to model antenna and predict inductance required to resonate the the antenna or. The new 200foot rohn 45g tower in the center foreground is the new main omnidirectional 160 meter antenna. You will achieve the strongest possible presence at your power level and be competitive with a 160 meter vertical monoband antenna that is only 55 feet tall. Get 1606 meters coverage and 1500 watt operation with a single antenna. This is dramatically shown by eznec, an antenna analyzer program. Over the last 28 years i have tried many different 160 meter antennas. On 160 we find a vertical type of antenna and then feed it against ground which is much different way of feeding an antenna.339 277 733 160 866 910 896 1363 329 1253 365 727 1292 1071 848 1313 11 1125 1010 793 1154 156 1020 9 1467 1086 710 847 325 264 1139