[RFI] Ethernet Extenders
Martin AA6E
aa6e at ewing.homedns.org
Mon Jun 25 12:51:17 EDT 2007
Yes, but he said he had the problem with a 5W power level into a dummy
load! Furthermore, all the long wiring is underground. That indicates
something other than RFI, I'd say. Maybe a computer/software problem or
something extraneous like a marginal data connection, which could be
aggravated by grounding problems or whatever.
73 Martin AA6E
Jim Brown wrote:
> On Mon, 25 Jun 2007 11:03:48 -0400, Martin AA6E wrote:
>
>> However, you might want to seriously look at
>> your system grounding.
>
> The problem is only on 40M and 30M.
>
> This tells us that it is NOT a grounding problem, nor is it
> related to noise or the grounding between buildings. The most
> likely cause is that some wiring is acting as antenna and picking
> up HIS transmitter. The obvious culprits are the 1,000 ft wire and
> the power supply at either end. I also wouldnt rule out the
> cables connecting the extender to his rig, other networking box,
> etc.
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