I Band

Question 0

What does the IBT provide?

Answer 0

Secondary radar surveillance radar that provides:
location
identification
enhanced position indication
of your aircraft to other units.

Question 1

What is the purpose of the IBT?

Answer 1

Enhances the radar return of the host aircraft.

Question 2

What is the most common type of interrogating radar display?

Answer 2

Plan Position Indicator (PPI)

Question 3

Where is the transponder located?

Answer 3

Rear bay, Centre, Top shelf.

Question 4

What frequencies does the transponder respond to interrogating radars?

Answer 4

9. 19GHz to 9.29GHz

9. 36GHz to 9.46GHz

Question 5

Why is a supression pulse accepted?

Answer 5

Its provided to the RWR to ensure the operation is mutually exclusive.

Question 6

How long does it take for the magnetron to warm up?

Answer 6

30 secs

Question 7

Where re the 2 IBT antennas?

Answer 7

Sponson cowlings (one per sponson)

Question 8

Which antenna does the transponder use to transmit a reply?

Answer 8

The antenna which received a stronger signal (full diversity).

Question 9

How is an antenna selected?

Answer 9

Via the CDNU I-Band page

Lft/rgt/both

Question 10

What is the safe distance from the aerials when the system is operated?

Answer 10

0.7m

Question 12

What hazardous substances does the transponder contain?

Answer 12

beryllium and fused beryllium oxide.

Question 13

What is the High voltage?

Answer 13

1200 Vdc (Pulsed) inside the transponder.

Question 14

How is the IBT powered?

Answer 14

28 Vdc GEN BB 2 (circuit breaker panel DJ)

Question 15

What does selecting “Stby” do?

Answer 15

Switches system on.

Sends suppression signal to coder transponder for 30 Sec for magnetron to warm up.