Topband: Noise cancelling

Art Pope ua3vcs at hotmail.com
Thu Feb 12 16:24:14 EST 2004


Hello cancelling,


I've been trying to solve the noise problem for pretty much as long as I 
have stayed in BV. In vain. Noise is almost all I can hear on the top. 80 
meters sounds better but the noise level is normally at about S7 to 9 with 
pre amp off on IC 737. My ocasional appearance on 80 allowed me to log a few 
dozens of East Cost/ Mid-West QSOs and a couple of hundreds of EU stations( 
of course eu path is much more favorable here). My best acheivement on Top 
is RA1ACJ followed by RN6BN.

I tried a few things. I do experience serious BCI here which I managed to 
suppress using CIRQTELL FHT//21 1.8-13 filter(tnx W8LRL). I also installed a 
flag antenna ( thanks to W8LRL, RW1AC and UA2FZ) yet again to get frustrated 
with the immense line/ manmade noise still present.

What do I do now? Should I try one of the noise cancellers available on the 
market?
I checked W8JI's article on MFJ-1025/1026 units and also read a few reviews 
on e-ham.com about both MFJ-1025/1026 and ANC-4.

Any suggestions?

73, de Art bw4/ua3vcs

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