[CQ-Contest] Band Pass Filters

[Jim Brown]

On 5/6/2021 12:42 PM, Chuck Dietz wrote:
> I inserted a 2m band pass filter and my swr went from flat to 1.7:1. While
> I know that’s not very bad, I like to keep it at 1:1.

That's bad, because it indicates the filter is probably out of 
alignment, which can cause destructive failure of its capacitive 
elements. And it could indicate that one or more of the caps may have 
failed or been damaged.

73, Jim K9YC