--- In dmcnews@xxxxxxxxxxx, "Dave Swingle" <dswingle@xxxx> wrote: >they can be used to measure the "dwell" of the >frequency valve as noted. The measurement number in this is not >very meaningful, just an indication of working or not working. Should have said "dwell of the computer signal to the frequency valve". . . an indication of the **computer** working. . ". This does not test the valve itself. Original discussion in message 13001 Dave