RX1 AF level with WSJTX

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Conrad_PA5Y
Posts: 101
Joined: Fri Jan 19, 2018 8:11 pm

Re: RX1 AF level with WSJTX

Postby Conrad_PA5Y » Sat Jul 14, 2018 7:52 pm

That's fine Walter.

I had already explained that it was possible to get rid of the artifacts by setting the threshold higher. However in doing so you definitely lose sensitivity on signals close to the noise floor. I have other SDR receivers that do not exhibit this behavior. So I cannot agree that it is behaving exactly as an AGC should.

For most users it is fine but not for a weak signal operator, There are quite a few of us using the platform on 6m or with transverters.

73

Conrad PA5Y
K9RX
Posts: 414
Joined: Fri Apr 14, 2017 3:47 pm

Re: RX1 AF level with WSJTX

Postby K9RX » Sat Jul 14, 2018 8:59 pm

no difference heard hear on 6M using MED, FAST or FIXED... identical sounding audio.

Gary
K9RX
Anan 8000DLE
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Conrad_PA5Y
Posts: 101
Joined: Fri Jan 19, 2018 8:11 pm

Re: RX1 AF level with WSJTX

Postby Conrad_PA5Y » Mon Jul 16, 2018 5:18 pm

Hello Gary do you have a quiet rural location? Is the LNA on or do you have an external LNA? How much does the noise floor increase when you switch between a dummy load and your 6m antenna?

What gain to you use when set to med, fast of fixed AGC. maybe you have things set up optimally and I do not.

I have spoken to 4 other people who experience the same as me and Joe.

73

Conrad PA5Y

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