Useful HAM links:
Rain Radar for 10GHz RS
137KHz Grabber DF6NM
137KHz Grabber F1AFJ
472KHz Grabber DK7FC
DK7FC LF Grabber
DF6NM VLF Grabber
JT65 Logger 2m EME/Terrestrial
Microwave and VHF/UHF beacons
F5LEN Webcluster
WEBSDR
Contest Kalender
Tropo forcast
ROPEX 137KHz TX - Schematic 1v2
ROPEX 137KHz TX - Schematic 2v2