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Re: Topband: QRM Eliminator

To: topband@contesting.com
Subject: Re: Topband: QRM Eliminator
From: Martin Kratoska <martin@ok1rr.com>
Reply-to: martin@ok1rr.com
Date: Sun, 9 Oct 2022 21:12:24 +0200
List-post: <mailto:topband@contesting.com>
Nothing against NCC phasers but I would try the PA0SIM phaser

http://www.pa0sim.nl/Phaser%2080%20-%2010%20meters.htm

before making any decisions. It can be better than any NCC, assumed that the amplifier on the output has fairly low input impedance and excellent IM properties. At least, you can get a  phaser good on 10 MHz and above... It is always matter of experiment!

73,
Martin, OK1RR

Dne 09. 10. 22 v 20:58 Jim Brown napsal(a):
On 10/9/2022 11:22 AM, John Pieszcynski wrote:
He also has reviews and comparisons of other RFI fighting products on his
web site.

As part of project to document the performance of a pair of phased VE3DO loops for 160M, I did extensive bench testing and engineering analysis of the DX Eng NCC-1. It's published here. It's a very high quality product, very effective below 20M, not much above.

http://k9yc.com/VE3DO.pdf

73, Jim K9YC


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