You have landed on the site of Amateur Radio Station GM4JJJ, the home of:
MoonSked Software - Macintosh, Windows and Linux MoonBounce Moon Tracking and Scheduling Software
LCD Clock - Macintosh and Windows Utility showing time in UTC or Local
Icom PCR-1000 programming - The control protocol revealed
Astronomy articles - Telescope building, comet and aurora photos
Moonbounce articles - Elevation systems, XPOL yagi practical designs, W1SL 144MHz amp designs, 8877 RF actuated bias, Cutting phasing lines
Microwave radio - Rainscatter audio sample, Droitwich 198KHz off-air frequency standard
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