[time-nuts] Anyone heard of a Rubidium Standard called a Varian X-4700A?

2013-08-12 Thread gchafee
Hi all, A number of years ago when I lived in Denver, I knew George Kamas of whom worked in the (then NBS) Time and frequency Labs. He was able to purchase a lot of the equipment that they disposed of and I wound up with one piece that I only had running for a short time. It is a Varian X-4700A

Re: [time-nuts] SDR Radio Opinion- Next Question

2013-08-06 Thread gchafee
Have you ever looked at the unit put out by Ariel Rocholl called the RF Explorer? (link - http://micro.arocholl.com/) I bought one of these units and although they do not have everything ( I would love to have different demods on it), it has been an impressive unit, and inexpensive. I believe