Other possibilities are: 1) the HP 10811A alone. An excellent oscillator, and you may expect some parts in 10^-8 per year from a good unit operated continuously. But keep a spare unit... I've seen so
Hi all, Dexter W4DEX asked about frequency standards on the LOWFER reflector. I presume that the subject may be of interest also there in times of very narrow band communications. The question was: T