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Undulating transmit audio in HF programs #draws
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DRAWS image Beta13
I am getting output audio which undulates when using either FLDIGI or JS8Call (or even when just using the TUNE button in FLDIGI). Has anyone run across this? My draws-manager has the other radio port OFF and I have set TX audio levels based on the mW p-p value of my radio (60). Receive audio on the Left radio port is great and decodes like a champ. Receive audio when enabling and using the Right radio port is a very very low level. It's so low FLDIGI will not show a waterfall with the lower limit set to -20 in the program. the same audio levels were used on the Right port as the left port.
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Mitch Winkle
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Over the air testing revealed that what I was seeing here is mirrored over 200 miles away, so it is not likely a local RFI issue on RX here. Then, I hooked up an external high quality sound card via USB and an external radio interface which keys PTT by USB serial. Clean audio out using FLDIGI. Clean reception locally, and clean reception verified by the remote station.
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Mitch Winkle
If no-one has any input I will package up my DRAWS for a return. It's a might expensive GPS hat at this point.
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Hi Mitch, I’ll check it out
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Send it to: NW Digital Radio RMA<ordernumber> 150 Cessna Ave Roche Harbor WA 98250 Thanks, Bryan K7UDR
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Mitch Winkle
Some communication please. It was sent many moons ago.
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On 8/26/2019 09:20, Bryan Hoyer wrote:
Hi Mitch, I’ll check it out
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Hi Mitch,
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It was buried in my office/house move. You no doubt have one of the units with the cap/TX Audio problem. I will fix and ship your unit tomorrow. I’d like to hear more about your potential application once we get you up and running. Thanks, Bryan K7UDR
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after the 1st i'll take it i'm in 95240...k6rys
On Sun, Sep 29, 2019 at 10:28 AM Bryan Hoyer <bhhoyer@...> wrote:
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