Some years ago a friend of mine, Andrew G6ALB, built a QRP TX with Russian miniature valves as shown in the photo. The first CQ call resulted in a Stateside QSO. from memory the power was less than 1W.
28 Sept 2020
Valve QRP
Some years ago a friend of mine, Andrew G6ALB, built a QRP TX with Russian miniature valves as shown in the photo. The first CQ call resulted in a Stateside QSO. from memory the power was less than 1W.
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