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Re: NanoVNA-H4 | SWR spikes non only at 300MHz, but also around 500 MHz

 

Hi Richard,
Thanks for the info. I have HW_ver. 4.3_MS, and have recently updated the FW to ver. 1.2.20. I had the whole time the MS5351. Lowering this threshold removed the spike at 300MHz. But as a check I switched to Si5351 and the spike was there again, regardless of this lowered threshold. So, no idea what is the real problem, but spike is luckily gone, as I was already concerned about the unit...
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