Original Atlas power supply (220-CS or 200-PS) has zener diode for 13V (1N5350) and together with 1N4005 diode, provides 13.7V on the output. Zener diodes change their parameter with increasing temperature, so it can happen that they “slip” when the
Amateur Satellite Radio Communication – Part One
Description of radio amateur narrow/wide band communication via the Es’hail 2 / QO-100 satellite.
5GHz WiFi and radars – how often does it hit?
Checking 5GHz on radar signals.