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 3. GQ EMF EF Meter RF Spectrum Power Analyzer
 can gq emf-390 save measured peak frequencies ?		  New Topic  Reply to Topic
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frank.mathieu@GQ

Germany
37 Posts
Posted - 04/27/2026 :  04:02:07  Show Profile  Reply with Quote
I use the tool quite extensively to find sources that radiate my home. In RF vertical mode, the tool displays the frequency that issued the max power density during the last second. THANK YOU!!!

I live in Germany, so Frequency ranges are used differently as they are in the US.

Using the displayed frequencies (420-450MHz) I found that the most likely source for RF that hits me every couple of seconds even during weekend nights with power densities between 10+ up to 200µW/m² comes from TETRA radios used by the military security personnel (working on the air base that is 600m from my home) doing their security patrol.

My meter recorded 'Mixed' even when the peak is much higher than the average 0.8µW/m².

can I make the device populate the frequency in the saved data?


Thank you :)
Reply #1

EmfDev

2411 Posts
Posted - 04/27/2026 :  16:46:08  Show Profile  Reply with Quote
hi frank, unfortunately, theres no feature to save the frequency in the current firmware.
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Reply #2

frank.mathieu@GQ

Germany
37 Posts
Posted - 04/27/2026 :  23:57:54  Show Profile  Reply with Quote
ok, so I keep an eye on the RF Vertical Mode or the RF Spectrum.
Let me thank you for such great functions in a meter that is so affordable.

Great work, GQelectronics !
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