[Milsurplus] Beam Filter Info

[WA5CAB at cs.com]

Bill,

If it's the NAF-68304 I think it's Low-Z, so electrically equivalent to the 
FL-30 (FL-5 and FL-8 are Hi-Z).  Performance is about the same, though.

In a message dated 4/4/2010 6:58:54 AM Central Daylight Time, 
cwopr at embarqmail.com writes: 
> Tnx Breck and as Garner Ted used to say...thats the rest of the story. 
> Yep, I had the number wrong...the FL-8. Mine has a sloping front, but its the 
> same animal. Many thanks..now, for some interesting FL-8 reading.
> 73 de Bill K4JYS
> 
> ----- Original Message -----
> From: "B. Smith" <smithab11 at comcast.net>
> To: "Bill Stewart" <cwopr at embarqmail.com>, "milsurplus" <
> milsurplus at mailman.qth.net>
> Sent: Sunday, April 4, 2010 7:51:07 AM GMT -05:00 US/Canada Eastern
> Subject: Re: [Milsurplus] Beam Filter Info
> 
> Info and actual audio samples for  the FL-8 series of Range Filters can be 
> 
> found on my web pages at:
> (http://k4che.com/FL8/FL81.htm)
> 
> 73
> breck k4che
> 
> ----- Original Message ----- 
> From: "Bill Stewart" <cwopr at embarqmail.com>
> To: "milsurplus" <milsurplus at mailman.qth.net>
> Sent: Sunday, April 04, 2010 7:22 AM
> Subject: [Milsurplus] Beam Filter Info
> 
> 
> |
> |
> | I picked up a couple Beam Filters at the RARSFest (Raleigh NC) 
> yesterday. 
> I remember seeing them in ads back in the 1950s and 60s but never tried 
> one. 
> Wow, what a great audio filter! I plugged one into my HQ-150 last night 
> and 
> the station I was working was the only sig heard in the cans...and we 
> worked 
> for over an hour. Is there any info available such as schematic, orig. use 
> 
> and general comments. Seems like I remember a designations of FL-1 or 
> FL-3? 
> These have the Navy/US anchor and NAF 68304 plus a s/n. I would like to 
> know 
> more about these filters.
> |
> |
> |
> | Thanks, 73 de Bill K4JYS
> 

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480