[Elecraft] K3: KRX3 question

[PhilB]

KFL3A-250 K3 250 Hz, 8 pole filter

----- Original Message ----- 
From: "Bill W4ZV" <btippett at alum.mit.edu>


> That's interesting since there isn't a 250 Hz roofing filter.  There's a 
> 370
> Hz and a 224 Hz, but no 250 Hz.  What did you use for the 250 measurement
> above or is that a calculated result?  At any rate, I'll defer to Ed since
> he's forgotten more about RTTY than I'll ever know, as his contest results
> demonstrate.  ;-)