[BVARC] RFI
Tube Works
tube-works at earthlink.net
Mon Dec 20 19:02:43 CST 2021
-----Original Message-----
From: BRAZOS VALLEY AMATEUR RADIO CLUB
Sent: Dec 20, 2021 2:30 PM
To: BRAZOS VALLEY AMATEUR RADIO CLUB
Cc: Scott Medbury , David F. Reed
Subject: Re: [BVARC] RFI
I installed a common mode choke on the feed line just before it comes into my attic. It works.
David W5MMQ
I installed a common mode choke on the feed line lose to the radio. It was particularly bad on 40 meters.
Scott KD5FBA
On Sun, Dec 19, 2021, 6:24 PM David F. Reed via BVARC wrote:
Due to some HOA C&R, I am confined to attic and gutter antennas for the time being.
I am getting a bit of RFI on occasion into my PC; it manifests itself mainly by apparently disconnecting the com port from Commander. When this happens, I can restore functionality by selecting a different com port, and then re-selecting the original correct com port.
I am grounded to a 10' ground rod about 8 ft. from the station via 2" copper strap. I did install ferrite beads on the USB cables at the back of the PC as well as on the power cord, and this has reduced the frequency of occurrence, but I would like to eliminate it altogether.
Any other ideas and suggestions would be most appreciated!
Thanks & 73 de Dave, W5SV
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