Search Results for "20 meter"348 links - and 4 categories
Antennas : 10M
- 2 element Quand antenna for 10 - 12 - 15 -17 - 20 meters band
[ Hits: 9999 | Votes: 9 | Rating: 7.45 ]
- Multiband Cubical Quads
- EI7BA Multiband Cubical Quads projects, includes two elements quad antennas for 10 12 15 17 20 meters band. Performance considerations, detailed pictures and construction notes.
[ Hits: 7118 | Votes: 4 | Rating: 9.25 ]
- W3FF Portable Dipole
- This is the antenna w3ff designed for his walking portable station. It is a dipole constructed out of the plastic plumbing pipe CPVC. There are telescoping whips at the ends of each side of the dipole, and these whips are adjusted to bring the antenna into resonance on each of five HF Bands 10, 12, 15, 17, and 20 Meters
[ Hits: 20048 | Votes: 13 | Rating: 7.99 ]
- How to build your own Magnetic Loop
- An easy guide to "How to build your own magnetic loop" for 20 meters
[ Hits: 12905 | Votes: 6 | Rating: 6.67 ]
- W6ZO Delta Loop
- W6ZO Portable Delta Loop for 20 meters
[ Hits: 12707 | Votes: 6 | Rating: 7.33 ]
- W5GI Mystery Antenna
- W5GI Mystery Antenna is a multi-band wire antenna that performs exceptionally well even though it confounds antenna modeling software.
This antenna covers 80 to 6 meters with low feed point impedance and will work with most radios, with or without an antenna tuner. It is approximately 100 feet long, can handle the legal limit, and is easy and inexpensive to build. It is similar to a G5RV but a much better performer especially on 20 meters.
[ Hits: 119316 | Votes: 89 | Rating: 6.44 ]
- 20m T-Monopole
- 20m T-Monopole short vertical antenna for 20 meters by AA5TB
[ Hits: 10241 | Votes: 4 | Rating: 8.75 ]
- QM5 Yagi for 2 meters band
- The QM5 antenna is a simple 5 elements Yagi with 1.88 m boom length for the lower 144 MHz SSB/MGM band, I used it mainly for Sporadic-E and MS contacts. It exhibits a forward gain of 9.17 dBd; i.e. 11.3 dB forward gain over the isotropic radiator, while the F/R is about 11.5 dB. Elements
[ Hits: 6126 | Votes: 4 | Rating: 5.25 ]
- Dual Band Vertical On Autopilot
- A good 20 & 40 meter dual band vertical using a novel tuning method that provides automatic band switching.
[ Hits: 4526 | Votes: 2 | Rating: 5.50 ]
- Shorty Forty Antenna
- Short dipole antenna for 40 meter ham band.
Can be put up in the space required for a 20 meter dipole.
[ Hits: 10939 | Votes: 7 | Rating: 7.85 ]
- 20m QRP Dipole
- Instructions to build a portable dipole for 20 meters
[ Hits: 15344 | Votes: 6 | Rating: 9.17 ]
- G5RV vs. Ground Plane on 80M
- Comparison tests by WF7T of a G5RV antenna vs a GP antenna on 80 meters band
[ Hits: 1323 | Votes: 3 | Rating: 7.00 ]
- Mobile Helix Antennas for HF
- Normal mode helix antennas for HF mobile. Photos andn plan for a 20 meters mobile helix antenna by N2MH
[ Hits: 12478 | Votes: 12 | Rating: 7.91 ]
- A two dollar helical hf portable antenna
- Here is an easily transportable vertical antenna for 20 meters collapsible to 4 feet that costs about $2.00 to make.
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.
Bev AH6NF (YL) made this antenna, tuned and ready to operate in less than one hour
[ Hits: 19090 | Votes: 10 | Rating: 7.30 ]
- A 5 band log periodic dipole array
- Modified version of the Telerana antenna which was orginially featured in the July 1979 issue of QST. The array is suspended within a framework made of fiberglass poles emanating from a central hub with the ends tied together with light weight rope around the perimeter. 10-15-20-30-40 meter band coverage
[ Hits: 8690 | Votes: 10 | Rating: 7.11 ]
- HF Mobile Antenna HB9ABX
- Most efficient hf mobile antenna, This mobile antenna is designed for all HF bands from 10 to 80 meters an proved to be very efficient in my travels in South America on 15 and 20m for contacts to Europe and within South America.
[ Hits: 4947 | Votes: 9 | Rating: 7.79 ]
- LU9DPD Windom dipole
- A multiband windom dipole antenna for 80 40 20 10 meters, feeded with a home made 4:1 balun, in spanish.
[ Hits: 4896 | Votes: 5 | Rating: 6.00 ]
- A tri-band 2 element portable Yagi
- Additional notes and eznec file on original article of a Portable 3-Band Yagi antenna for 10-15-20 meter band made with wire elements, original article published by VE7CA
[ Hits: 13793 | Votes: 4 | Rating: 7.00 ]
- VU2TQC Slim Jim
- An home made slim jim antenna for 2 meters band by VU2TQC
[ Hits: 796 | Votes: 0 | Rating: 0.00 ]
- QRP 20m Antenna Tuner Unit
- A QRP antenna tuner for 20 meters band
[ Hits: 9985 | Votes: 4 | Rating: 7.75 ]
- Reflected M beam for 20 meters
- The Reflected M beam is made from a pair of wires formed in the letter M that are back to back. One M serves as a driven element and the other can be either a director or a reflector
[ Hits: 4305 | Votes: 2 | Rating: 3.50 ]
- MF and HF Amateur Radio Band Charts
- Easy to read set of band charts for the amateur radio MF and HF bands: 160, 80, 60, 40, 30, 20, 17, 15, 12, and 10 meter by W5JCK
[ Hits: 1348 | Votes: 6 | Rating: 3.00 ]
- ZeroFive Antennas
- Vertical antennas for all HF bands, expecially 80 40 20 meters bands
[ Hits: 6394 | Votes: 39 | Rating: 9.45 ]
- Using the Heath SB-200 Linear on Six Meters
- Improvements to Using the Heath SB-200 Linear on Six Meters by Ron Klimas, WZ1V
[ Hits: 2499 | Votes: 5 | Rating: 4.20 ]
- Icom IC-706 Radio mods db
- Info and mods for IC-706, IC-706 Expanded frequency IC706 - spare 0.3A, MARS/CAP Modification for ICOM IC-706, enables out-of-band transmit for 1.6 MHz to 54 MHz, ore sensitive transmit for 2 meter
IC-706 60 MHz to 200 MHz band pass filter, Icom IC-706 Extended RX mod, ICOM 706 MKII Extended transmit mod, Special on IC706mkII TX range expansion for IC-706MKIIG, Expand only mod for the IC-706MkII
[ Hits: 18555 | Votes: 13 | Rating: 5.85 ]
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