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PRINCIPLES OF RADAR. PROCEDURAL. RADAR. “TELL ME WHERE YOU ARE.”. “I SEE WHERE YOU ARE.”. ACC51-1. OBJECTIVE(S).
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PRINCIPLES OF RADAR PROCEDURAL RADAR “TELL ME WHERE YOU ARE.” “I SEE WHERE YOU ARE.” ACC51-1
OBJECTIVE(S) • At the conclusion of this lesson, you will identify primary and secondary radar terms, components, and functions in compliance with ICAO Documents 4444 PANS-RAC, 9426 and FAA Publication ETM 12-0-1. ACC51-2
RADAR DISPLAY RADAR RESPONSE RADAR POSITION SYMBOL RADAR ECHO RADAR BLIP WEATHER ECHO ACC51-3
PRIMARY RADAR • Primary radar is a radar system in which a minute portion of a radio pulse transmitted from a site is reflected by an object and then received back at the site for processing and display at an air traffic control facility. ACC51-4
PRIMARY RADAR ACC51-5
PRIMARY RADAR COMPONENTS ANTENNA TRANSMITTER RECEIVER RADAR DISPLAY ACC51-6
TRANSMITTER ANTENNA TRANSMITTER ACC51-7
ANTENNA ANTENNA TRANSMITTER ACC51-8
RECEIVER ANTENNA RADAR DISPLAY TRANSMITTER RECEIVER ACC51-9
RADAR DISPLAY ANTENNA RADAR DISPLAY TRANSMITTER RECEIVER ACC51-10
RANGE AND AZIMUTH A L T I T U D E RANGE RADAR SITE SLANT RANGE DISTANCE RADAR DISPLAY ACC51-11
RANGE AND AZIMUTH TARGET ON 310° BEARING REFERENCE LINE 360° 030° 310° TARGET ON 030° BEARING 090° 270° 180° RADAR DISPLAY ACC51-12
RANGE RESOLUTION AZIMUTH RESOLUTION TWO TARGETS RESOLUTION TWO TARGETS NO RESOLUTION TWO TARGETS NO RESOLUTION TWO TARGETS RESOLUTION ANTENNA SITE ANTENNA SITE ACC51-13
FALSE BLIPS/ECHOES FALSE ACTUAL FALSE CLUTTER ACC51-14
ANOMALOUS PROPAGATION MOIST AIR DRY AIR RADAR SIGNAL RADAR SIGNAL MOIST AIR DRY AIR ACC51-15
TEMPERATURE INVERSION WARM AIR MASS COOL AIR MASS RADAR SIGNAL ACC51-16
RADAR INTERFERENCE Interference ACC51-17
JAMMING • Jamming is the disruption of the radar display or radio reception by means of electronic or mechanical interference. ACC51-18
° ° ° ° PASSIVE RADAR JAMMING ° ° ACC51-19
° ° ° ° ° ° ACTIVE RADAR JAMMING ELECTRONIC DISRUPTION ACC51-20
BLIND ZONE MIO PNC TUL MLC SNL ACC51-21
LINE-OF-SIGHT ACC51-22
BEACON TARGET BEACON TARGET SECONDARY RADAR COMPONENTS TRANSPONDER ANTENNA INTERROGATOR DECODER RADAR DISPLAY ACC51-23
INTERROGATOR TRANSPONDER ANTENNA INTERROGATOR ACC51-24
ANTENNA TRANSPONDER ANTENNA INTERROGATOR ACC51-25
TRANSPONDER TRANSPONDER ANTENNA INTERROGATOR DECODER ACC51-26
DECODER TRANSPONDER ANTENNA INTERROGATOR DECODER RADAR DISPLAY ACC51-27
BEACON TARGET BEACON TARGET RADAR DISPLAY TRANSPONDER ANTENNA INTERROGATOR DECODER RADAR DISPLAY ACC51-28
ANSWER In the aircraft QUESTION What are the five major components of the secondary radar system? ANSWER interrogator, transponder, antenna, decoder, radar display QUESTION • Where is the transponder located? ACC51-29
RING AROUND ACC51-31
AIRCRAFT FLYING IN TRAIL FALSE BLIP ACC51-32
ADVANTAGES OF SECONDARY RADAR PNC MIO TUL MLC SNL ACC51-33
INTERROGATION SIGNAL AIRCRAFT ANTENNA LOCATION RESPONSE SIGNAL DISADVANTAGES OF SECONDARY RADAR ACC51-34
ANSWER Advantages: Less vulnerable to blind spots, provides longer range, display not degraded by weather echoes or ground cover Disadvantages: Only displays aircraft with transponders, does not provide weather information, return is affected by aircraft operation QUESTION • Name some advantages and disadvantages of secondary radar. ACC51-35