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Re: [RFI] Does anyone recognize this RFI?

To: rfi@contesting.com
Subject: Re: [RFI] Does anyone recognize this RFI?
From: Dave Cole <dave@nk7z.net>
Date: Wed, 15 Apr 2020 11:50:16 -0700
List-post: <mailto:rfi@contesting.com>
Here is a blog entry I created on locating RFI-- that is your real task...

https://www.nk7z.net/i-have-rfi-now-what-locating-it/


It does not cover how to DF using loops, but it does give an overview... Also see:

https://www.nk7z.net/sdr-rfi-survey-p1/

Which covers how to set up and use an SDR to help in all of this...

73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist
ARRL Asst. Director, NW Division, Technical Resources

On 4/15/20 8:11 AM, Matt Foster wrote:
The linked image shows interference that, as far as I know, is always
present for me on 15m. I’m talking primarily about what is appearing
between about 1400 and 2100 on the waterfall. If you look closely, you’ll
see that the lines are leaning slightly to the right. They VERY slowly
progress up in frequency and then back down in frequency. It appears to me
that there is a spike about every 55 Hz. I have no idea what this might be.
I thought someone on here might recognize it.

https://drive.google.com/file/d/1FthSrYNX1ogF9IGJAYA_TeeHWFF7qrch/view?usp=sharing

Thanks and 73,
Matt, N0EYE
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