Related Clues:

• Airport device
• The 'R' of N.P.R.
• Speed-trap device
• You can carry a tune with this
• Defense device
• Speeder's nemesis
• Storm tracker
• Keillor's medium
• Ham carrier
• Type of gun
• Taxi accessory
• Airport aid
• Lee DeForest's medium
• Talkers' medium
• 'M*A*S*H' character