[BVARC] RFI

Robert Polinski emdhouston at suddenlinkmail.com
Sun Dec 19 20:01:38 CST 2021


David, put several ferrite beads on the USB (Both ends) and the network cable & any other cables feeding the computer. (printer, etc) May also need a choke in the feedline. Robert KD5YVQ

 

From: BVARC <bvarc-bounces at bvarc.org> On Behalf Of David F. Reed via BVARC
Sent: Sunday, December 19, 2021 6:24 PM
To: bvarc at bvarc.org
Cc: David F. Reed <w5sv.dave at gmail.com>
Subject: [BVARC] RFI

 

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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