ATT1810 Chapter 3 Part3 Flashcards
What does the acronym RADAR stand for?
Radio Detection and Ranging
What are the 5 components of a radar?
Transmitter Receiver Antenna Duplexer Display
What does the transmitter do?
Sends radio energy out from the antenna
What does the receiver do?
Amplify and detect faint returns from targets
What does the duplexer do?
Keeps the powerful transmission signal from burning out the delicate receiver
What does the antenna do?
Directs the radar energy in a tight beam
What does the display do?
Allows a user to see the returns from the radar beam
Identify the following
ASR
ARSR
ASDE
ASR - Airport Surveillance Radar (Terminal)
ARSR - Air Route Surveillance Radar (En Route)
ASDE - Airport Surface Detection Equipment (Tower)
What are primary and secondary radar?
Primary Radar - radar echos (skin paint)
Secondary Radar - beacon code returns
What is Mode 3?
Standard air traffic control mode
What is Mode C?
Altitude encoding
What is a beacon slash?
Symbol on the radar for a beacon return
What is an Ident?
A feature of the transponder that causes the beacon slash to change for identification
What are discrete and non-discrete codes?
Non-discrete codes are codes that have zeros for the last 2 numbers in the transponder code. Discrete codes are any codes that do not end in 00
What is squawk standby? How is it used?
Squawk standby is a setting on the transponder that stops responding to the radar, but keeps the transponder warmed up. It is used to reduce clutter, or identify an aircraft.