Related Clues:

• Traffic cop's tool
• Weathercaster's tool
• Forecasting aid
• What stealth may avoid
• Sonar's cousin
• Detecting device
• Early-warning device
• Control tower device
• Corporal O'Reilly
• Weather report staple
• Blip maker
• Speeder's snagger
• Traffic tracker
• Awacs tool
• Cockpit aid