And so I wanted to use a TYT TH-9000D for APRS …

I was in the market for another radio for my mobile APRS operations. After reading various articles (here and here) about the ability to add a D-SUB9 connector with all relevant signals for that matter. I ordered one, and it was there a few days later. Before modding the radio I wanted to program the relevant memory channels and test runĀ  it and there came the disappointment.

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