Related Clues:

• Pulsed location-finder
• Undersea sensing system
• Ranging system
• Kind of screen that's reversible
• Rangefinder
• Ability like a bat's to fly high without collision, ultimately
• Detection system at sea
• What shows range of drama school and its head
• Rocket incorporating new underwater detection system
• What a near-blind creature uses to fly around pole
• Pulse detection system
• Where players train, needing right equipment
• This finds course drama school runs
• Range-finding apparatus
• Echolocation system