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Flashcards in I Band Deck (15):
0

What is the purpose of the IBT?

Enhances the radar return of the host aircraft.

1

What does the IBT provide?

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

2

What is the most common type of interrogating radar display?

Plan Position Indicator (PPI)

3

Where is the transponder located?

Rear bay, Centre, Top shelf.

4

What frequencies does the transponder respond to interrogating radars?

9.19GHz to 9.29GHz
9.36GHz to 9.46GHz

5

Why is a supression pulse accepted?

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

6

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

30 secs

7

Where re the 2 IBT antennas?

Sponson cowlings (one per sponson)

8

Which antenna does the transponder use to transmit a reply?

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

9

How is an antenna selected?

Via the CDNU I-Band page
Lft/rgt/both

10

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

0.7m

12

What hazardous substances does the transponder contain?

beryllium and fused beryllium oxide.

13

What is the High voltage?

1200 Vdc (Pulsed) inside the transponder.

14

How is the IBT powered?

28 Vdc GEN BB 2 (circuit breaker panel DJ)

15

What does selecting "Stby" do?

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