portable loop
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Antennas : 20M- Speaker Wire Delta Loop Antenna for 20M
- The antenna I built was inspired by a portable delta loop designed by Doug DeMaw, W1FB. Given that I constrained myself to a 50-foot roll of speak wire, I scaled my antenna for the 20M band. Using the formula, 1005 divided by the frequency in megahertz, I calculated a total length of 71 feet (21.6 meters) for the center of the 20M band.
[ Hits: 126 | Votes: 0 | Rating: 0 ]
- Rectangular Loop antenna for 2 meter band
- An interesting and easy to build loop antenna for VHF bands, that present a feedpoint impedance of 50 ohms thus avoiding the need for a 1/4 wave impedance transformer. This antenna is ideal for sota and other portable operations
[ Hits: 275 | Votes: 1 | Rating: 1 ]
- 70Mhz (4 metre) Delta Loop Antenna
- Discover the success story of creating a 4-meter Delta Loop antenna, ideal for improving radio communication. This horizontally polarized antenna offers efficient performance when mounted at VHF heights, catering to both HF and VHF characteristics. A simple, DIY project suitable for portable setups, providing versatile options for radio enthusiasts.
[ Hits: 53 | Votes: 1 | Rating: 4 ]
- Delta Loopy Ideas
- Setting up a portable wire delta loop antenna with an MFJ 33ft telescopic fiberglass pole
[ Hits: 101 | Votes: 0 | Rating: 0 ]
- A loop antenna for 7 MHz to 30 MHz
- This note describes a relatively small, but efficient, loop antenna initially created for portable operation. With suitable modifications, it can be adapted for fixed station use. In this age of CC&Rs, an antenna similar to this may very well be the answer to your problems. Have a look, be inspired, get out the torch / soldering iron and create your own version!
[ Hits: 2447 | Votes: 8 | Rating: 7.25 ]
- DIY magnetic loop antenna by Chamaeleon Antenna
- A page describing how to setup a magnetic loop antenna with the DIY Magnetic Loop Starter Kit produced by Chamaeleon Antenna. Includes a video and a detailed instructions to setup.
[ Hits: 399 | Votes: 1 | Rating: 1 ]
- QRP HF Loop Antenna
- This is an uncommon loop antenna, hombrewed without the small feeding loop. With small spare parts is possible to build a loop antenna tuner for portable usage tha can ben used with common HF QRP transceivers
[ Hits: 160 | Votes: 1 | Rating: 10 ]
- Portable magnetic loop antenna
- A portable loop antenna, made with a 3 meter loop resonates with the chosen capacitor from just below 7MHz to about 28.300MHz which makes it usable on the bands from 40m to 10m.
[ Hits: 166 | Votes: 2 | Rating: 9 ]
- K1FM Mini Magnetic Loop
- Original HF magnetic loop antenna designed by the author to work in conjunction with QRP transceivers like the FT-817 in portable operations. In this configuration the loop can operate from 30 to 10 meters. Using a two spires radiator of the same diameter it also covers 40 meters.
[ Hits: 116 | Votes: 1 | Rating: 8 ]
- Portable NVIS Loop for 80m to 40m
- A portable (15.5 foot diameter) NVIS loop for 3.5 to 7.3 MHz. Performs well at high and low takeoff angles, and has smaller footprint than most NVIS antennas.
[ Hits: 363 | Votes: 0 | Rating: 0 ]
- The 2BD beam antenna for 20 meters
- A light portable 2 element Delta beam antenna for 14 MHz. It is basically a two element delta loop wire antenna made for portable usage providing good directivity and a 4.2 dBd gain
[ Hits: 183 | Votes: 1 | Rating: 8 ]
- 3 Band Mono Loop Portable Quad
- Handmade drawing of a 3 bands single loop, portable quad antenna used by the author during his dx pedition in Kenya as 5H3FM. This antenna is done using 3 telescopic spreaders and the spreader kit for 1 element quad by spiderbeam.
[ Hits: 130 | Votes: 0 | Rating: 0 ]
- Fun and Games with the Spiderbeam 18 Meter Pole
- A portable operation experience with a SpiderBeam pole during a contest, testing wire antennas, like dipole and delta loops configurations on 20 40 and 80 meters band.
[ Hits: 312 | Votes: 1 | Rating: 10 ]
- ICOM IC-705 and Raspberry Pi
- A portable setup of the ICOM IC-705 with portable VHF UHF and and HF Alex Loop antenna, managed with a portable Raspberry PI 3 setup.
[ Hits: 254 | Votes: 2 | Rating: 10 ]
- HAM Radio DIY Projects by DL8ABH
- Ham Radio DIY projects all around morse
semi-automatic and fully automatic bug keys
construction manuals o semi-and fully automatic Bug keys, portable light weight magnetic loops, making a telegraph set (school project)
and lots of kitchen projects (useful hamradio gear made by easily available material)
[ Hits: 150 | Votes: 0 | Rating: 0 ]
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