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Bob from Palomar engineers has a video on YouTube called The ABCs of RFI.
He discusses RF I and noise in the shack.
He tells you how to test , and remove the noise.
Hope this helps.
73 N2DYN Angelo
From: 'Marnoch Standen' via Vero VR N7500 Dual Radio Band <Vero...@googlegroups.com>
Sent: Sunday, August 7, 2022 2:40 AM
To: Vero...@googlegroups.com
Subject: Re: [Veron VR-N7500 Google Group] Re: RF Power Levels
Good luck with killing QRM equipment can be a pain to track down.
I wiped out all of HF and found it was a cheap battery charger from china that was making the noise +9 on all bands.
Min Standen G0JMS
On 7 Aug 2022 03:41, Drew Rankin <andrew.j...@gmail.com> wrote:
Thanks, Min!
I am in a very quiet location here in the middle of the US. I have a UHF repeater at about half that distance, that I can open up with a Baofeng BF-888S HT.
I just completed my HF station grounding project today and the noise floor dropped from S5 to S1-2. Although, now that it's after dark, the QRN on 80m is around S7. 40m is still pretty good.
73
Drew
KD2USM
On Fri, Aug 5, 2022 at 5:10 AM Min G0JMS <marnoch...@gmail.com> wrote:
Hi Drew
I think you must have a good location and a nice antenna setup to het that distance on the low power setting.
I've done a spreadsheet using my setup and meters using an old dummy load. There are no published figures for the radio for the mid and low settings only the design max.
Hope this data helps you understand the radio TX power.
This was the TX test on 2M at full power (145.075) on the Retevis radio which is the same and you can see its drawing 7 Amps.
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