These were used in TACAN transmitters at 23 cm. Has anyone had experience with this tube in SSB/CW ham amps on 50 MHz & up? What about sockets for them? Merit W6NQ (W6NLO) -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com