[Milsurplus] FAA FA6259 filter

[mikea]

On Mon, Aug 15, 2011 at 10:34:13PM -0400, Glenn Little WB4UIV wrote:
> I have an interesting preselector made for the FAA, part number FA 6259.
> Google leads me to believe that this was made by ITT under part 
> number 2097118G1.
> Google gives no other useful information.
> This is a three section filter.
> Each filter section is tuned with a micrometer dial.
> The input and output connectors are type-N.
> The filter sections are 3-3/8" deep and 1-7/8" square.
> The probe that goes into the filter cavity is 0.5" diameter.
> The aperture between the filter sections are 3/4" wide and 2-1/4 " long.
> The probes in each filter section is approximately 1-5/32" from the 
> end of the filter.
> 
> What frequency would this filter be for??

Pretty well up the scale -- maybe 121 MHz-ish acft band, or 243-ish? Maybe
even higher. Filters that size are definitely above the batcall register.

Someone nearby got a spectrum analyzer and tracking generator you could use
for a little bit?

-- 
Mike Andrews, W5EGO
mikea at mikea.ath.cx
Tired old sysadmin