MODE A Flashcards

1
Q

Frekvences

A

Izsauksme 1030 MHz; atbilde 1090 MHz

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2
Q

SSR atbilde

A

Frame brackets - F1, F2 (sākums un beigas 15 impulsu kodam) starp F1 un F2 ir 20.3microsec. Starp time slotiem ir 1,45 microsec. Katrs impulss ir 0,45 mikrosec.
ir iespējami 2^12 (4096) kodi.

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3
Q

SPI

A

4,35 mikrosek pēc F2. Šo impulsu kontrolē pilots ar slēdzi. (var ieslēgt uz 20 sek.)
7500- hijack
7600- communication failure
7700- emergency (kad ir emergency? 1. pilots pats pasaka 2.kods ievadīts 3.blakus dispičeris pasaka)
2000- flight from uncontrolled airspace into controlled
NATO (military interception)
technical checks

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