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QRZ Trivia Quiz for 2024-11-26
The design of which vacuum tube was influenced by a meeting of RCA and the ARRL Headquarters technical staff?
A: 6146
B: 807
C: 6L6
D: 7360
Choose an answer from above...
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You're welcome to stick around and try a few trivia questions but your progress will not be tracked and you will not be entered into the sweepstakes.