... After strong impacts of meteorites or spacecrafts (Lunar Prospector) with the Moon's surface, the radio emissions in various frequency ranges were recorded. ... 2 Review of radio observations of the Moon The main source of lunar radio emission at centimeter wavelengths is the thermal emission of a brightness temperature equal to 250 K. The intensity of the thermal radio emission changes slowly with a period equal to one month. ... The calibration of the lunar radio flux was conducted Fig. ...