> Canberra's amplifiers are already cryogenically cooled to 4.5° kelvin. When my son and I toured Goldstone they showed us the equipment required to amplify th

> Canberra's amplifiers are already cryogenically cooled to 4.5° kelvin. When my son and I toured Goldstone they showed us the equipment required to amplify the signal from Voyager... explaining how the signal is roughly 1 atta watt (1E-21)!! The genius required to receive and process that is mind boggling.