[Yaesu] (no subject)

[pegasus@mho.net]

Harry wrote:
My FT900  s/n 4H020308:

Carton says FT-900/AT, then in bullet points below includes "CAT System"

I see both AT and AT CAT models advertised, with a considerable 
difference in prices. What's the difference and what do I have?

Hi Harry
I think there is some confusion here.  The "CAT" after the model number 
as in FT-900CAT indicates something different than the "CAT system 
included" comment.   In FT-900CAT the "C" means that the Collins 
mechanical filter is installed, and the "AT" means the auto antenna tuner 
is installed.   The "CAT system included" statement refers to the computer 
interface that Yaesu uses for several of it's models.   All FT-900s are "CAT 
system capable", but differ as to the use of filters and inclusion of the 
antenna tuner.  Your radio has the antenna tuner but not the Collins 
mechanical filter in the front end.    This is only a minor point unless you 
plan to use the radio for some serious crowded band operating.  The 
Collins filter has somewhat higher ultimate rejection and a little flatter 
passband which may slightly improve the audio in both transmit and 
receive.   It's very minor though.  
73,
Dennis
N0SP

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