Radar

Radar

1. ILS

   • Errors
     • Unusable in mountainous terrain
     • Inflexible
     • FM Interference
   • When flying a reverse course approach using the ILS the CDI indications will be incorrect in azimuth and elevation.

2. In a primary radar using pulse technique the ability to discriminate between targets in azimuth is a factor of beam width.

3. The main factor which determines the minimum range that can be measured by a pulsed radar is pulse length.

4. In a pulse radar the minimum detection range is determined by pulse width.

5. Ground Radar

   • Area Surveillance Radar
     • Frequency of 600 MHz
     • PRF of 250 pps
     • 200 to 300 nm range
   • Aerodrome Surface Movement Radar
     • 15 GHz
     • Aerial Rotation 60 rpm
     • PRF 10000 pps