The Skew-Planar Wheel Antenna
- This is a very useful aerial design,forgotten for 40 years. This antenna offer a low omnidirectional pattern and has circular polarization. Can be used as a beacon antenna and simulations are for U-VHF and upper
N1KXR/B - Ten-Meter Propagation Beacon
- N1KXR/B went on the air at 21:00 Hours EST on Saturday, November 22, 2008 and has been in continual operation. Located in Northampton, Massachusetts [USA] (grid square: FN32), it transmits 24/7/365 and is coordinated with the IARU Region 2 HFBeacon Coordinator.
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- HF propagation beacon and amateur standard frequency service DL3RTL/b on 28.273,00 kcs
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- DL3RTL/b is a HF radio propagation beacon and amateur standard frequency radio station based in Berlin, Germany.
WSPR transmitter using a Raspberry Piupdated
- Makes a very simple WSPR beacon from your RasberryPi by connecting GPIO port to Antanna (and LPF), operates on LF, MF, HF and VHF bands from 0 to 250 MHz.