1b SIF

Question 1

Working in conjunction with a ground radar system, the airborne transponder provides the radar operator with what

Answer 1

Aircraft security information
Personal identification
Traffic identification
Altitude information

Question 2

Without this system the ground controller radar scope would look cluttered and unrecognizable

Answer 2

SIF

Question 3

There are four modes of SIF.

Explain mode 1-

Answer 3

Military only
Control box
Security ID

Question 4

Explain Mode 2 of SIF

Answer 4

R/T
Military only
Personal ID

Question 5

Explain mode 3/A of SIF

Answer 5

Military and civilian
Control box
7700 (emergency code)
Traffic

Question 6

Explain mode C of SIF

Answer 6

Altitude

Military and civilian

Question 7

What is the receiver and transmitter frequency for the SIF system

Answer 7

Receiver frequency - 1030 MHz

Transmitter frequency- 1090 MHz

Question 8

This is encoded into mode C in ____ft increments

Answer 8

100ft

Question 9

What is the framing pulse

Answer 9

20.3 microseconds

Question 10

The reply for the I/P (identify position) does what

Answer 10

20 seconds of a shrinking circle

Question 11

This is a mode that improves azimuth accuracy

Answer 11

Mode S

Question 12

Mode S interrogations can contain a unique _____ bit aircraft address identification

Answer 12

24 bit