The hourly plot looks like the output of a solar array.
David Robbins K1TTT
e-mail: mailto:k1ttt@arrl.net
web: http://wiki.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://k1ttt.net:7373
-----Original Message-----
From: RFI [mailto:rfi-bounces@contesting.com] On Behalf Of Enrico Lorenzoni
IU3AZC
Sent: Wednesday, August 22, 2018 18:20
To: rfi@contesting.com
Subject: [RFI] Bad noise on 2m band, only during day
Hello everyone, I'm trying to chase this bad noise that I receive from my
shack.
I have a fairly sized yagi on 144 and I can hear this noise coming from a
certain direction.
So I left an RTL-SDR on for some hours and I found that the noise is higher
during day (high temperature? low humidity?) and almost disappears during
night.
Here it is some spectrum:
https://imgur.com/F0ByNTK
And also an hourly plot:
https://imgur.com/3KdjxeB
Before going around with my car, can you recognize this kind of noise and
give me some hints?
Thanks,
--
73 de Enrico IU4AZC
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