[ARC5] A/N Range filter frequency

[WA5CAB at cs.com]

Yes.  1020 cps.  FL-5-(*) was high-Z with local switch.  FL-8 (high-Z) and 
FL-30 (low-Z) were smaller (no local switches).  FL-90 was panel mount 
version of FL-30.  Navy had several as well (that don't look like the Signal 
Corps ones).

On the A-N radio ranges, I don't know, but I'd rather doubt it.  Perhaps 
one of the FAA guys knows.

In a message dated 9/20/2009 10:28:15 PM Central Daylight Time, 
k1lky at earthlink.net writes: 
> On the Glow Bugs List, I was discussing the FL-5 filter, and learned  
> that there were some called the FL-30 and other names also.  I have  
> recently found two of the FL-5C's in unused condition as I was  
> cleaning out a storage area.  I have another one somewhere that I'd  
> used as a Novice in the 1950's - I put a terminal strip, phone jack  
> and switch on the blank face plate.
> 
> What was the audio frequency these are tuned to?  Was it 1020 cps?
> 
> I suppose no A/N range station is still operating anywhere.
> 
> Roy
> 

Robert & Susan Downs - Houston
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