I notice that John puts the choke at the computer, Flex puts the choke
at the radio and Ahti puts chokes on both ends of the USB cable. I
thought that the radio would be the thing sensitive to the RF so the
Flex approach makes the most sense. But I'm not sure.
I have the same question
Actually, there is not much in the Flex-Radio SDR-1000 for the rf to get
to. I have found that the computer system and its peripherals, mouse,
keyboard etc. have been the major culprits. I had to relocate the 40M
antenna away from the shack in another more distant part of the attic to
keep
I had real good luck with the T4 Radio Works Line Isolators (page 7 of
their catalog http://www.radioworks.com/Catalog2006web.pdf). I am sure
there are others that would work fine too.
de ken n9vv
Jim, W4ATK wrote:
Actually, there is not much in the Flex-Radio SDR-1000 for the rf to get
On 16/10/06, Jim, W4ATK [EMAIL PROTECTED] wrote:
RFI elimination
is trial and error.
73 Jim, W4ATK
Yes, Jim, so it is!
In my case one common mode choke was not enough. I tried two cokes
first at the radio end and then at the computer end. The best result
was with one choke at both ends. It
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