You have landed on the site of Amateur Radio Station GM4JJJ, the home of:

LCD Clock - Macintosh and Windows Utility showing time in UTC or Local

MoonSked Software - Macintosh, Windows and Linux MoonBounce Moon Tracking and Scheduling Software

PalmTrack Software - Track the Sun/Moon/Radio Stars with your Palm Pilot

Mac HP GPS Control Software - Macintosh program for the HP Z3801A GPS locked Frequency Standard

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

Icom PCR-1000 programming - The control protocol revealed

Microwave radio - Rainscatter audio sample, Droitwich 198KHz off-air frequency standard

Lensware Software - Opthalmology Software for your Palm Pilot

PhotoHound Software - Macintosh Photography Utility

For Sale - updated from time to time

You can navigate to any page from the menu on the left. Note there are sub menus that appear when you click on a main menu item in the list.