Different SWR - fw R2.00x

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dh9nad
 

Posts: 5
Joined: 28 Dec 2023, 10:17

Different SWR - fw R2.00x

Post by dh9nad »

Different SWR?
(tr)uSDX => Firmware R2.00x

SWR shown on (tr)uSDX R2.00x is about 1:3, but seems to be 1:2 in real.
What could be the reason?

Is this a guide to fixing it?
=> Calibration of the power indicator/SWR using NanoVNA?
=> http://forum.dl2man.de/viewtopic.php?t=1122

73 Bernd

P.S: tnx for that great firmware and rig
dl6sez
 

Posts: 399
Joined: 30 Dec 2021, 22:54

Re: Different SWR - fw R2.00x

Post by dl6sez »

Did you perform a reset after firmware update as necessary (tuning knob pressing while power on)?

73 de Chris
Chris DL6SEZ, JN48XL near Ulm, Southern Germany
dh9nad
 

Posts: 5
Joined: 28 Dec 2023, 10:17

Re: Different SWR - fw R2.00x

Post by dh9nad »

Hi Chris,
tnx for your reply. The reset seems not to solve the problem. Perhaps it depends on the beta-firmware R2.00x. On 30m the difference is much smaller.

73 de Bernd
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