open wire
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Antennas : 2M- An 8x2 Element Array Antenna For 144 MHz
- This stacking offers a well known simple phasing technique. All elements can be fed in parallel by open wires provided that they are fed in phase. This can be achieved by twisting the open wire phasing-lines at 180 degrees.
- by DF3LP
[ Hits: 165 | Votes: 0 | Rating: 0 ]
- Linear Loaded 40m Dipole
- Dipole for 40m band. It is a simple linear loaded dipole feeded with 450-Ohm openwire feedline. Designed it for resonance at 7.050 MHz, can be tuned on 30m and 80m bands with an external antenna tuner. Build with simple electrical copper wire (2.5 mmq/13 awg) and two fishing poles with size of about 7 m/23 ft.
- by iw7dmh
[ Hits: 162 | Votes: 0 | Rating: 0 ]
- Quad Loop Antenna for 50 MHz
- Building A Full-Wave Quad Loop Antenna for 6 Meters. This is an easy antenna to build and the materials cost about $15-20. It exhibits 1.8dB gain over a 1/2-wave dipole. Using an open-wire parallel feedline (commonly called ladder line) with an antenna tuner, it tunes up on the 10m band as a 5/8-wave loop as well
- by KD9EJA
[ Hits: 200 | Votes: 1 | Rating: 1 ]
- Short Antenna for 40-30-20 Meters Band
- This page describes an entirely simple, One-Knob matchbox that will match this antenna efficiently on 40, 30 and 20m, using a simple circuit that can be switched between series-resonant and parallel-resonant with just one banana jumper
- by dj0ip
[ Hits: 238 | Votes: 1 | Rating: 7 ]
- What is System Fusion
- System Fusion is a digital communications mode for voice and data, including pictures. It utilizes a customized, yet open, C4FM FDMA standard. An introduction to Yaesu System Fusion by Wireless Society of Southern Maine
- by WSSM
[ Hits: 109 | Votes: 0 | Rating: 0 ]
- Free ham radio utilities written in LabVIEW
- Free ham radio utilities written in LabVIEW includes Open Wire Calculator, Dipole Peak/Null Angle Calculator, a Coil-Shortened Antenna Calculator ad interesting Round Coil Inductance Calculator and a Skyloop Antenna Calculator
- by KY8D
[ Hits: 294 | Votes: 2 | Rating: 5.5 ]
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