[CQ-Contest] Difference between the ICE 419 419A & 419B bandpass filters

[Jim Brown]

On Tue,9/9/2014 7:26 AM, Paul Erickson wrote:
> Can anyone tell me the difference between the various
> models of the ICE 419 band pass filters? 

A few years ago, I did extensive testing of the most popular bandpass 
filter sets including the ICE 419B. A report on that work, complete with 
performance data, was published in NCJ. The 419Bs came in dead last. I 
need to put a link to it on my website. Thanks for the reminder.

73, Jim K9YC