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Old March 11th 07, 06:30 PM posted to rec.radio.amateur.antenna
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Posts: 5
Default Crosstalk from ground?

On Sun, 11 Mar 2007 17:06:00 +0000, Cecil Moore wrote:

Yuri Blanarovich wrote:
"Ceriel Nosforit" wrote:
My receiver is an Icom-R5 handheld scanner, 0.150 to 1300MHz continuous.


You could have some rectification and creation of intermods going on at some
bad, corroded junction. Check the connections.


That front end is so broad-banded that there is probably
no corrosion needed to generate intermod. I had an ICOM
2m handheld that was useless in downtown Phoenix while
mobile on a dual band mobile antenna. I suspect a notch
filter would be the way to go to reduce the intermod
while keeping full functionality of the Beverage.


The entire ground rod is covered with rust. I checked that there was a
connection with a multimeter, but it could be that's not enough of a check.


I don't think I could make enough band-stop filters to cover all crosstalk
I'm hearing. I'd fill up the greenhouse, for sure!

The R5 has an attenuation function that sometimes is a bit of help...
Maybe the entire receiver is getting overloaded, causing some sort of
overmodulation? The signals are pretty strong after all...

Thanks for the replies!

--
Nos
 
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