On Tue, 8 Nov 2005 13:51:06 -0800, "Michael" wrote:

I get a lot of noise from my random wire antenna. It transmits very well but
is very noisy in receive. My neighbor put up a 280 foot loop antenna which

Ok.

he feeds with ladder line. He feeds the ladder line from a 4 to 1 balun to
coax. The coax comes from a tuner. His setup performs very well on all bands
down to 75 meters. I went over to his shack last night and listened to his
receiver on 75. I was really impressed with the lack of noise. I can safely
say the difference in noise was profound. He has this loop surrounding his

So, the noise is "profoundly" less (whatever that means), but what
about signals that you want to hear, and how does it perform
transmitting.

You see, a 30dB attenuator would profoundly reduce the noise.... and
the desired receive signals, and the tx signal, but it isn't
necessarily better.

You probably know the answers, you just didn't tell us.

It is often the case that the best antenna for transmission is the one
that makes the most noise where you want to be heard, and the best
antenna for receiving is the one that gives the best S/N ratio (not
necessarily the best S meter deflection) for stations from that place,
and they may not be the same antenna.

Owen
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