Airport radars for Air traffic control
This page compares ARSR(Air Route Surveillance Radar) vs ASR(Airport Surveillance Radar) and mentions difference between ARSR and ASR radar.These airport radars are used for air traffic control at the airports and during air traffic route.
The Air Traffic Control at the Airports while taking off and landing as well as during the air routes have become challenge due to increase in the air traffic. To provide safety to the air passengers aircraft and ground vehicular traffic at larger airports are monitored by the high resolution radars. ASR radar will take care of air traffic control in and around airport. ARSR radar will take of air traffic control during the air routes. Refer Air traffic Management processes.
ARSR vs ASR radar-Difference between ARSR and ASR radar
Following table mentions difference between Air Traffic Control Radars such as ARSR radar and ASR radar.
|ATC Radar specifications||ARSR radar||ASR radar|
|Frequency of operation||L Band
(1250 to 1350 MHz)
(2700 to 2900 MHz)
|Coverage Range||370 Km||111 Km|
|Peak Power||5 MWatt||1.4 MWatt|
|PRF(Pulse Repetition Frequency)||310 to 365 Hz||700 to 1200 Hz, 1040 (Average)|
|Average power||3.6 KWatt||0.875 KWatt|
|Antenna Size||12.8 m X 6.9 m||4.9 m X 2.7 m|
|Horizontal Beamwidth||1.25 Degree||1.35 Degree|
|Vertical Coverage||40 degree||30 degree|
|Antenna Gain||34 dB||30 dB|
|Polarization||Horizontal, vertical, circular||vertical, Circular|
|Antenna rotation rate||5 RPM||12.8 RPM|
|MTI improvement parts||39 dB||34 dB|