[Elecraft] Roofing Filters

Bob McGraw rmcgraw at benlomand.net
Sat Dec 27 12:45:23 EST 2025


Sorry folks for not editing all of the unrelated messages.   My goof.  
Maybe I need to better understand how to do just that from the iPhone.

73 and Happy New Year.

Bob, K4TAX

> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 26 Dec 2025 11:16:44 -0600
> From: Bob McGraw K4TAX <rmcgraw at benlomand.net>
> To: elecraft at mailman.qth.net
> Cc: elecraft at mailman.qth.net
> Subject: [Elecraft] Roofing Filters
> Message-ID: <5501E20F-CD31-4133-9039-371EBF16ADB6 at benlomand.net>
> Content-Type: text/plain; charset=utf-8
>
> I have been very pleased with the 2.7kHz, 1.8kHz, and 500Hz filters.  Even in a multi transmitter environment.  The DSP is excellent for eliminating adjoining QRM.
>
> Nothing works for eliminating adjacent wide transmitter splatter and key clicks falling into ones  receiver bandwidth.
>
> 73
> Bob, K4TAX
>
> Sent from my iPhone



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