JRUing,

Good Radio Shack and Antenna Grounding
- Something To Think About !
http://groups.yahoo.com/group/Shortw...a/message/5922

Well this is one of those YMMV things sometimes.

Every Shortwave Listener (SWL) Antenna that I have build and installed
using the Low Noise design concepts made popular
by John Doty has at least show an Improvement in the RF Signal Quality
: A 'few' had only a slight improvement; most had
a maked inprovement; some had a very great improvement.

ABOUT - The "Low Noise" Antenna design concepts
popularived by John Doty
http://groups.yahoo.com/group/Shortw...a/message/5178

Going from a simple Longwire Antenna to a Wire Antenna
Element connected to a remotely Grounded Matching Transformer
connected to a Coax Cable Feed-in-Line has consistantly
work for me and produced better Shortwave Listening (SWL)
Results - Always - But Hey That Me ) ~ RHF

However, 'if' your radios are plugged into the House's AC
Electrical Power System : Then the RF signal is coming down
that Long Wire Antenna from the OutSide and into your House
(Home Sweet Home) and is connected to the External Antenna
Input of your Radio/Receiver. This External Antenna Input
of your Radio/Receiver has an internal circuit designed to
be an RF Circuit "PATH" for the External Antenna's RF Signal.
Through the Radio/Receiver the small RF Signal Current is
flowing around the Radio/Receiver's Circuitry and then
eventually to the AC Power Cord and down into the Ground
Potential of your House's Electrical Power System :
That is "IF" you have no other Ground Connections (Systems)
to your Radio/Receivers that present an easier current "Path'
for the RF Signal Potential to Flow-To !

TBL - Opposites Do Attract {+ to -} and Current Will Flow !

From what you say - I would say that you have a very good
House Electrical Power System and a relatively low noise
electrical environment.

The only problem becomes when one day there is a nearby
Lightning Strike and the Voltage from (Current in) your
Antenna down to your Household Ground via your Radio /
Receivers is not 'small' but rather "LARGE".

GOOD RADIO SHACK AND ANTENNA GROUNDING MAY NOT ALWAYS
IMPROVE YOUR SIGNAL AND RADIO RECECPTION - - - - - -
BUT IT IS ALWAYS THE SAFE THING TO DO - JUST DO IT !


now... there is something to think about ~ RHF