[Elecraft] K2 SSB crystal filter set lacks calibration value

[Don Wilhelm]

Mark,

Assume it is 3.6 for the initial filter alignment.
That can be refined later. if you use an audio spectrum analyzer and a 
broadband noise generator to properly position the filter passband.

73,
Don W3FPR

On 4/6/2018 10:13 PM, Mark Petrovic wrote:
> Hi.
> 
> My K2 SSB option inventory correctly has the part number E850006 qty. 7
> 4.9MHz crystal filters, but the envelope containing the filters has no
> calibration value recorded on the outside.  Is there an easy way to
> determine what this value should be?