[Ham-Mac] ethernet hash

[David Ferrington, M0XDF]

Thanks, ok, so you've tried everything I can think of - still worth talking to vendor I think.

I don't have any problems with RFi from my Cable modem, running 20GB ASDL - cable is coax (Virgin for those in UK).
When I had a lane line ADSL, I could trip my router with some CW, but a K-Y filter fixed that.

Sorry I haven't been of much help.

73 de M0XDF
-- 
Accuracy Transcends Speed

On 3 Feb 2010, at 15:42, EZ Rhino wrote:

> HI David,
> 
> Actually, I've done about all of those.  My rig is connected to the computer via MicroHam USB II interface, which has optical isolation, so I really doubt it gets into the radio that way, and I did unplug its USB cable with no reduction in noise.  I've also tried putting ferrite on the power injector cable.  If I unplug the PSU the noise goes away, and so does my internet :-).  Remember, I did try eliminating the computer altogether by plugging in the cat5 to an airport extreme router with no change.  I can have one end of a cat5 in my iMac with the other end open with no noise....as soon as the other end goes into something the noise returns.  So at this point I think I'm hosed, and will need to relocate the dish away from my shack.
> 
> What really gets me with all this:  Why doesn't every ham with ethernet/internet and a radio have this problem?  I wonder how many have this and don't know it.
> 
> Chris