SSR

#2. Secondary Surveillance Radar is a form of ________ radar with type emissions operating in the _________ band.

• Aprimary pulse SHF
• Bprimary pulse UHF
• Csecondary FM SHF
• Dsecondary pulse UHF

#1. The special SSR codes are as follows: emergency ______, radio failure _______, entering UK airspace _______, unlawful interference with the conduct of the flight ________

• A7700; 7600; 2000; 7500.
• B7700; 7600; 7500; 2000.
• C7600; 7500; 2000; 7700.
• D7500; 7600; 2000; 7700.

#3. If the SSR transponder IDENT button is pressed

• Ait causes a momentary distinctive display to appear on the controller's screen.
• Ban identification pulse is automatically and continuously transmitted for 20 seconds, 4.35µ sec before the last framing pulse.
• Can identification pulse is automatically and continuously transmitted for 10 seconds, 4.35µ sec after the last framing pulse.
• Dan identification pulse is automatically and continuously transmitted for 20 seconds, 4.35µ sec after the last framing pulse