softrock40@groups.io | Soft rock 30/20 v. 6.2

oobie doobie All Messages By This Member #88468 What plugs into the PTT line on the Softrock 30/20 v6.2 board?
Alan G4ZFQ All Messages By This Member #88469 What plugs into the PTT line on the Softrock 30/20 v6.2 board? A +ve signal from a COM port. Controlled by the SDR software. 73 Alan G4ZFQ

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