Unit 1b: Selective Identification Feature (SIF) Flashcards
What does an airborne transponder provide the radar operator with
Aircraft Security Info
Personnel Identification
Traffic Identification
Altitude
(S P T E E A S)
What does AIMS stand for
ATCRBS IFF/SIF Mark XII System
How many SIF modes are there and what are they
4; Mode 1, 2, 3/A, and C
What mode is security identification military only and displays 00-73
Mode 1
What mode is personal identification and is military only and displays 0000-7777
Mode 2
What mode is traffic identification and is used by military and civilian and displays 0000-7777
Mode 3/A
What mode is barometric Altitude and is used by military and civilian
Mode C
What modes are found in the control box
Mode 1 and 3/A
What mode is found in the R/T
Mode 2
What mode is found in the CADC Altitude Encoder
Mode C
The altitude transmitted on mode C is referenced to ______ inches of mercury
29.92 inches of mercury
What interrogator deals with Mode 3/A and C only. It only cares about Traffic Identification and Altitude
Ground Based (ATC)
What interrogator deals with all four modes
Airborne (AC and W)
What is the input power of the SIF
28 VDC
115 VAC 400 Hz
What is the frequency of the Receiver and dBm for Normal and Low Sensitivity
1030 MHz
Norm: 78dBm
Low: 66 dBm