Chuck Mandus writes in a message to All
 CM> As it proceeded to make the  flyby, it switched to an air-to-ground 
 CM> frequency on 151.400 MHz.  I think that is one of the semi-temporary 
 CM> frequencies used for  special events, construction crews, fast 
 CM> food joints, and so on
151.4 is listed as a "forest conservation" frequency.  But remember that we 
are dealing with the federal millitary or government here and they can do any 
darn thing they please.
  
And the word you were looking for is "itinerant" for the low power "dot 
frequency" licenses.
 
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