On Mon, 14 Apr 2008 19:55:09 -0400, Bob Noel
wrote in
:


With the majority of the US airliner fleet equipped with 8.33-kHz
radios

eh? The only US aircraft needing 8.33 radios are those that have
to go to Europe. Most of the US fleet doesn't go anywhere near
Europe.




http://airlineprocurement.com/magazi...D=1183&print=Y
Reese says about half of the US airline fleet already is equipped
with radios that can handle both the 25-kHz and 8.33-kHz spacing.