Advisory Frequency
 

* 1.The appropriate frequency to be used for Airport Advisory Service. (FAA4)
English Related Words* absolute frequency
* acoustic frequency
* actual frequency
* advertising frequency (average opportunities to see)
* advertising frequency discount
* advisory
* advisory area
* advisory board
* advisory body
* advisory commitee on restrictive practices and dominant positions
* advisory committee
* advisory control
* advisory council
* advisory fee
* advisory group