[Milsurplus] Beam filters question

[B. Smith]

   A lot of info including changing the characteristics of the FL-8 
filter was compiled by W6WB in the late 1940's. I posted some of his 
work and other information  as well as audio clips.
k4che
http://k4che.com/FL8/FL81.htm

On 7/22/2019 10:13 PM, Hubert Miller wrote:
> Of the varieties of beam filters out there, which do you think is most 
> practical to use just as a CW filter, not to particularly fit into a 
> realistic setup ? Also a bonus if one model more than others is 
> practical to open so as to lower the beam frequency.
>
> In the distant past i used some kind of surplus audio, single freq 
> filter with a TCS rec on CW, but that filter was so peaked it was 
> actually real unpleasant to use.
> tnx    -Hue
>
>
>
> Sent from my Verizon, Samsung Galaxy smartphone
>
> ______________________________________________________________
> Milsurplus mailing list
> Home: http://mailman.qth.net/mailman/listinfo/milsurplus
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Milsurplus at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html