[Elecraft] Wireless Router Recommendations
Ron D'Eau Claire
rondec at easystreet.com
Mon Jul 10 02:24:04 EDT 2006
Jim, K9YC wrote:
Proximity to the radio is meaningless. The following comments
apply to virtually ALL Ethernet devices, including your computers.
What matters are:
1) The antennas connected to the Ethernet device -- their length,
and their proximity to YOUR antennas (but NOT to your radio)
----------------------------------------
My router for a while sat a on a shelf just about 20 inches from my
link-coupled tuner. This is an "open" tuner design using a large 3" dia by
10" long open coil with a big transmitting-type variable cap across it (you
can see a picture of it on www.QRZ.com; just look up AC7AC. The router was
on a shelf under the desk about where my knees are in the picture).
Sure, this is a balanced antenna system and the idea is to prevent pickup
and radiation from the balanced feed and tuner, but the balance is never
perfect. As the photo shows, the feeders drop down near the table top (and
the wireless router just below) where they pass through a header to the
outside.
As I wrote before, digital stuff generates noise; I'd be the last person to
deny that. It's sometimes very hard to do anything effective about it.
Still, the situation varies so much from installation to installation that
only the most general "rules of thumb" might suggest what an particular
installation will produce.
That is what I was trying to convey by relating my particular experience.
Ron AC7AC
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