[Elecraft] serial ports

[Charles Yahrling]

FWIW, I have greatly reduced RFI issues by using rs-232 serial cable
connections. I went with them because I have found USB cables seem to be
pipelines for computer hash to get into my rigs.  I just got tired of
experimenting with ferrites every time I changed computers or connection
schemes.  I build my own cables out of cat 5 or higher UTP cable.  StarTech
makes great one- and two-port high speed PCI and PCIe  rs-232/422 boards
that work well with desktop computers. No issues with N1MM, winkeyer serial
and NAP3.

I also use WIFI exclusively in the shack (when operating) as I discovered
my cable modem, located downstairs in the mud room "DMARC",  propagates an
unacceptable amount of hash into any rig when I connect shack computers to
it via ethernet cabling.  WIFI is a great way to reduce cable count too.

$0.02

PS: all ideas above courtesy of K9YA's excellent RFI Cookbook.

-- 
de AB1VL
NAQCC #6799

ab1vl.com