AIRPORTS AUTHORITY OF INDIA

______AIRPORT

MAINTENANCE SCHEDULE - WEEKLY

------STATION : REGION : DATE : EQUIPMENT : DVOR MAKE : SELEX MODEL: 1150 (NEW)

------

S No / PARAMETER (Using PMDT) / NORMAL STATUS / OBSERVED STATUS
1.0 / POWER SUPPLY / TX-I / TX-II
1.1 / PS 5V / 5±0.25V
1.2 / PS 12V / 12±0.5V
1.3 / PS -12V / -12V ±0.5V
1.4 / PS28V / 28V±0.5V
1.5 / PS 48V / 43V±1V
2.0 / TEMPERATURE
2.1 / OUTSIDE TEMPERATURE / -25 TO 70°C
2.2 / Tx-I TEMPERATURE / 0 TO 40°C
2.3 / Tx-II TEMPERATURE / 0 TO 40°C
3.0 / ALARM LIMITS / MONITOR #01 / MONITOR#02
3.1 / Az ANGLE ALARM / 315.00±1°
3.2 / Az ANGLE PRE-ALARM LOW / 314.20°
3.3 / Az ANGLE PRE-ALARM HIGH / 315.80°
3.4 / 30Hz MOD ALARM / 30.0±2%
3.5 / 30Hz MOD PRE-ALARM LOW / 28.2%
3.6 / 30Hz MOD PRE-ALARM HIGH / 31.8%
3.7 / 9960Hz MOD ALARM / 30.0±2%
3.8 / 9960Hz MOD PRE-ALARM LOW / 28.2%
3.9 / 9960Hz MOD PRE-ALARM HIGH / 31.8%
3.10 / DEVIATION RATIO / 16.0±1
3.11 / DEVIATION PRE-ALARM LOW / 15.2(RATIO)
3.12 / DEVIATION PRE-ALARM HIGH / 16.9(RATIO)
3.13 / RF LEVEL ALARM LOW/HIGH / 0 ± 3.0dB
3.14 / RF LEVEL PRE-ALARM LOW / -2.0dB
3.15 / RF LEVEL PRE-ALARM HIGH / 2.0dB
3.16 / SIDEBAND VSWR TOLERANCE / 1.20:1
3.17 / IDENT MONITORING / ENABLED
3.18 / NOMINAL AZIMUTH ANGLE / 315.00°
S No / PARAMETER / NORMAL STATUS / OBSERVED STATUS
4.0 / OFFSETS AND SCALE FACTORS / MONITOR#01 / MONITOR#02
4.1 / AZIMUTH ANGLE OFFSET
4.2 / 30Hz MODULATION SCALE
4.3 / 9960Hz MODULATION SCALE
4.4 / 9960Hz DEVIATION SCALE
4.5 / RF LEVEL OFFSET
5.0 / CERTIFICATION LIMITS / MONITOR#01 / MONITOR#02
5.1 / AZIMUTH ANGLE LIMIT LOW / 314.00°
5.2 / AZIMUTH ANGLE LIMIT HIGH / 316.00°
5.3 / 30Hz MOD. LIMIT LOW / 28.0%
5.4 / 30Hz MOD. LIMIT HIGH / 32.0%
5.5 / 9960Hz MOD. LIMIT LOW / 28.0%
5.6 / 9960Hz MOD. LIMIT HIGH / 32.0%
5.7 / DEVIATION LIMIT LOW / 15.0(RATIO)
5.8 / DEVIATION LIMIT HIGH / 17.0(RATIO)
6.0 / TEST GEN./CERTIFICATION OFFSETS AND SCALE FACTORS / MONITOR#01 / MONITOR#02
6.1 / AZIMUTH ANGLE OFFSET
6.2 / 30Hz MODULATION SCALE
6.3 / 9960Hz MODULATION SCALE
6.4 / 9960Hz DEVIATION SCALE
7.0 / TEST GENERATOR CONFIGURATION (RUN) / MONITOR#01 / MONITOR#02
7.1 / AZIMUTH ANGLE / 315.00°
7.2 / 30Hz MODULATION / 30.0%
7.3 / 9960Hz MODULATION / 30.0%
7.4 / DEVIATION / 16
8.0 / NOMINAL MONITOR VALUES / MONITOR#01 / MONITOR#02
8.1 / AZIMUTH ANGLE / 315.00°
8.2 / 30Hz MODULATION / 30.0%
8.3 / 9960Hz MODULATION / 30.0%
8.4 / 9960Hz DEVIATION / 16
8.5 / RF LEVEL / 0.0dB
8.6 / NOTCH MONITOR CONFIGURATION / ENABLED
S No / PARAMETER / NORMAL STATUS / OBSERVED STATUS
9.0 / NOMINAL CONFIGURATION
9.1 / AZIMUTH ANGLE
9.2 / CARRIER POWER
9.3 / VOICE MODULATION
9.4 / IDENT MODULATION
9.5 / REFERENCE MODULATION
9.6 / SBO RF LEVEL
10.0 / OFFSETS AND SCALE FACTORS / Tx –I / Tx – II
10.1 / AZIMUTH ANGLE OFFSET
10.2 / OUTPUT POWER SCALE
10.3 / VOICE MODULATION SCALE
10.4 / IDENT MODULATION SCALE
10.5 / REFERENCE MODULATION SCALE
10.6 / SIDEBAND 1-2 PHASE OFFSET
10.7 / SIDEBAND 3-4 PHASE OFFSET
10.8 / CARRIER SIDEBAND PHASE OFFSET
10.9 / SIDEBAND 1 RF SCALE
10.10 / SIDEBAND 2 RF SCALE
10.11 / SIDEBAND 3 RF SCALE
10.12 / SIDEBAND 4 RF SCALE
11.0 / TRANSMITTER DATA / Tx –I / Tx – II
11.1 / CARRIER POWER
11.2 / SIDEBAND#01
11.3 / SIDEBAND#02
11.4 / SIDEBAND#03
11.5 / SIDEBAND#04
12.0 / VSWR / Tx –I / Tx – II
12.1 / CARRIER ANTENNA / <1.1
12.2 / SIDEBAND#01 / <1.1
12.3 / SIDEBAND#02 / <1.1
12.4 / SIDEBAND#03 / <1.1
12.5 / SIDEBAND#04 / <1.1
S No / PARAMETER / NORMAL STATUS / OBSERVED STATUS
13.0 / FREQUENCY / Tx –I / Tx – II
13.1 / AM / 30.0Hz
13.2 / FM / 30.0Hz
13.3 / SIDEBAND FREQUENCY / 10001Hz
13.4 / CARRIER FREQUENCY / Fc
13.5 / LOWER SIDEBAND / Fc – 10001Hz
13.6 / UPPER SIDEBAND / Fc + 10001Hz
14.0 / CLEANING OF AIR FILTERS / DONE
15.0 / Equipment Operation on Battery Back Up / Minimum 10 minutes
REMARKS :

(Signature of Unit-In-Charge) (Signature of Executive)

Name : Name :

Design: Design:

This maintanence schedule has been prepared as per the Manufacturer’s Technical Manual and ICAO Doc 8071 Guidelines and approved by Directorate of CNS-OM

December 2012 Page 2 of 4