开云体育

Hi all,

trying out my new QMX+ rev3, firmware 027 - I am running WSPR in digi mode using my PC (not the beacon mode) but I am seeing a strong signal at exactly 1500Hz (dead centre of WSPR band) on 10m and 6m. See photo. Any idea why please?

73 Ken g4apb.

Hi Ken,

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This issue was already discussed here: /g/QRPLabs/message/136601 But no one knows how to fix it yet.

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73, de BD8BTE
op: Lun Yang

Thanks Lun,

i seem to remember this being an issue with the QCX-mini due to a common short on the board which WAS fixed. However, I am really struggling with using WSPR in this QMX+ as having fixed the frequency error (altered TCXO freq setting), I am now getting reports of quite severe frequency drift (2-4) on 10m and 6m. I never got this with my QDX (always 0 drift reports) as well as this great big signal right in the middle of the WSPR band.

I wondered If anyone else is using PC driven WSPR mode on the QMX+ and if they are seeing the same problems?

73 ken g4apb?