GROUND RADAR

#1. A primary radar has a pulse repetition frequency of 275 pps. The time interval between the leading edges of successive pulses is:

• A3.64 milliseconds.
• B36.4 milliseconds.
• C3.64 microseconds.
• D36.4 microseconds.

#2. A primary radar system has a pulse repetition frequency of 450 pps. Ignoring pulse width and flyback at the CRT, the maximum range of the radar would be:

• A333 nm
• B180 nm
• C666 nm
• D360 nm

#3. When flying a Precision Approach Radar in the UK, vertical displacement is based upon:

• ARegional QNH
• BQFE
• CQFF
• DAirfield QNH