[Moon-Net] Ethernet Interference

Edward R Cole kl7uw at acsalaska.net
Sat Sep 7 21:17:46 CEST 2019


A few years ago I tried reducing 2m birdies and tried some clampon 
ferrites with no noticeable improvement, but then I bought some Cat6 
shielded cable jumpers which did help a little.  My main internet 
cable is 25-foot of cat5e from another room that has the router, so 
that might still radiate some.

Most of my birdies were RF from surrounding area coming in antenna cables.

BTW I am using Cat6 shielded cable with my digital angle encoders on 
my eme antennas which eliminates RFI to my digital display.

73, Ed - KL7UW

At 10:22 AM 9/7/2019, MR TREVOR DUNNE via Moon-net wrote:
>Hi All
>I seen a post somewhere recently explaining that it was a waste of 
>time putting ferrite on either utp or stp Ethernet cables, I can't 
>remember which, or where I read it, I am trying to remove some 
>birdies on 2m caused by home network,
>Anyone have any pointers, I have a large amount of cat cable around 
>my house so don't want to replace it with the wrong type,
>Moon-Net posting and subscription instructions are at 

73, Ed - KL7UW
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