Millimetre Wave Activities....
I've had the opportunity of going out Portable lately with David -
We've had some great success with 78 GHz on both SSB and the Digital
Check a write up here... 78
GHz in VK.
Service Manual for HUGHES
4577xH series of Millimetre Wave Thermistor Mounts.
This .pdf is quite large at circa 12 MBs.