[MilCom] UHF, 23-Feb-07 Z, W237A W570

[Ken Spurrell]

Yes I understand your mode info.
But the thing that made me think of Khz is 
that he said 3477 point 2. As I understand it
there is one control for the mode and thumb
wheels for the four numbers. And 3477.2
is in the aero HF band... Anyway thanx for
your comments.
Ken

----- Original Message ----- 
From: "Jordan Hayes" <jmhayes at speakeasy.net>
To: "MILCOM" <milcom at mailman.qth.net>
Sent: Saturday, February 24, 2007 0810
Subject: Re: [MilCom] UHF, 23-Feb-07 Z, W237A W570


> > Freq.     Time Z
> > 364.20  1659  Magpie 89 calling Bigfoot(not heard here)about
> >   mode 3477.2(Khz?).
> 
> It's likely that MAGPIE was telling BIG FOOT that their ATC MODE-C (aka 
> MODE-3, aka "squawk") code was 4772 as part of a P&I ("PARROT and 
> INDIA", aka "MODES-N-CODES") check, as in "MODE THREE: FOUR SEVEN SEVEN 
> TWO" ... PARROT is a term used for MODE-C (get it?) and INDIA is what 
> they call the "MODE 4" or AIFF transponder, I believe because INDIA 
> would be the first letter of IFF, but that's just a guess.
> 
> The usual response to this kind of check would be one of "modes and 
> codes are sweet" or "mode three sweet, mode four sour; recycle 
> transponder" or some combination.
> 
> /jordan 
> 
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