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Antennas : Baluns : 4 to 1 balun Antennas : Beverage Antennas : OCF Antennas : Satellite Antennas : Theory
Ham Radio : Blogs : Canada Manufacturers : Antennas : Broadcast Operating Aids : Distance & Bearing Operating Modes : APRS Operating Modes : Longwave Operating Modes : Satellites : AO-51 Propagation : Resources Software : DSP Software : Grid Bearing and Maps Software : Propagation Software : Satellite tracking
- Earth Systems
- In order to resonate at a particular frequency, an antenna needs to be at least one half wave length long. Antennas below a 1/2 wave are dependent on a ground system for resonance as well.
[ Hits: 859 | Votes: 1 | Rating: 3.00 ]
- Basics of antennas
- The current, the voltage, the impedance, the bandwidth, the polarization, and how the earth influences the famous radiation pattern.
[ Hits: 534 | Votes: 0 | Rating: 0.00 ]
- Errante's capacitive RF Grounding
- This system demonstrates that no galvanic coupling to earth is needed for a proper RF earth grounding
[ Hits: 292 | Votes: 1 | Rating: 10.00 ]
Technical Reference : Antenna Rotator Technical Reference : Grounding Technical Reference : Transverters
- Ham Radio Deluxe Satellite Tracking
- Nova DDE Support, Scheduled Kepler data downloads, Integrated web browser, Audio announcements, Google Earth integration, dual radio support
[ Hits: 2068 | Votes: 3 | Rating: 1.00 ]
- Earth Orbit Objects is free program which predict satellite passes for your local or any selected area. Use flat Earth view to display satellite tracks with visibility circle. The globe view shows selected satellites around the Earth as a sphere and sky view shows satellites as you would see them in a starry night.
[ Hits: 1270 | Votes: 4 | Rating: 7.00 ]
- Implementation of NORAD SGP4/SDP4 algorithms in PHP for determining a satellites location and velocity in Earth orbit. These SGP4/SDP4 models were ported from Predict 2.2.3 written by John A. Magliacane (KD2BD) for the Linux operating system.
[ Hits: 321 | Votes: 5 | Rating: 10.00 ]
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