This document discusses the MSSR Mode S secondary surveillance radar. Mode S provides selective interrogation with better accuracy by interrogating one target at a time. It uses a 15 RPM antenna rotation speed and includes features like reduced garbling, detection of over 16 million unique ICAO addresses, a unique 24-bit address for each aircraft, a lock-out system to limit interrogations and replies for each target, and altitude reporting in 25 foot increments. Mode S can also enable ground-to-air, air-to-air, and ground-to-ground communications.

1. MSSR MODE “S”
(MONOPULSE SECONDARY
SURVEILLANCE RADAR)
Selective Interrogation.

2.  INCREAMENT PULSE : 16.384
 BETTER ACCURACY
 ONE HIT ONE TARGET
 KECEPATAN PUTAR ANTENNA 15 RPM
MSSR
INTERREGRA
TOR
ANTENNA
BORESHIGHT /
LVA
PEDESTAL
TRANSPONDER
+
-

3. KEUNTUNGAN MODE S
 1. Reduce Fruit and Garble
 2. Mendeteksi 16,777,214 ICAO Code adrees yg berbeda
(6 HEXADECIMAL DIGIT)
 A. 8A043B (IDN)
 B. 76CE65 (SIN)

4. KEUNGGULAN MODE S
 1. UNIQUE 24 BIT ADREES FOR EACH AIRCRAFT
.

5.  2.LOCK OUT SYSTEM
Menyimpan data target . Tidak banyak Interrogation dan reply.

6.  3. ALTITUDE REPORT IN 25 FEET INCREAMENTS
Update Every 25
feets

7.  4. PROVIDE COMMUNICATION SERVICE
 A.GROUND TO AIR COMMUNICATION
 B.AIR TO AIR COMMUNICATION
 C.GROUND TO GROUND COMMUNICATION
A B

8. A B
C D

9. INTERROGATION
SSR
MODE S

10. MODE S
 Interrogation
 Preamble + Data block

11. MODE S
 “All-Call” interrogation
 Interrogates both Mode A/C and Mode S

12. REPLAY
SSR
MODE S

13. ICAO MENDEFINISIKAN 25 KEMUNGKINAN LINK
FORMAT (UF ATAU DF)
HANYA 6 FORMAT YANG SAAT INI DIGUNAKAN
MODE -S

14. THANK YOU !