AIRPORTS AUTHORITY OF INDIA

______AIRPORT

MAINTENANCE SCHEDULE – HALF YEARLY

------STATION : REGION : DATE :

EQUIPMENT : DVOR MAKE : SELEX MODEL: 1150 (NEW)

------

1.0 DVOR GROUND CHECKS (Using PMDT):

SN / NORMAL BEARING IN DEGREES / MEASURED BEARING IN DEGREES / BEARING DEVIATION IN DEGREES / SN / NORMAL BEARING IN DEGREES / MEASURED BEARING IN DEGREES / BEARING DEVIATION IN DEGREES
Tx – I
01 / 00.0 / 09 / 180.0
02 / 22.5 / 10 / 202.5
03 / 45.0 / 11 / 225.0
04 / 67.5 / 12 / 247.5
05 / 90.0 / 13 / 270.0
06 / 112.5 / 14 / 292.5
07 / 135.0 / 15 / 315.0
08 / 157.5 / 16 / 337.5
ERROR SPREAD OF Tx – I :
Tx – II
01 / 00.0 / 09 / 180.0
02 / 22.5 / 10 / 202.5
03 / 45.0 / 11 / 225.0
04 / 67.5 / 12 / 247.5
05 / 90.0 / 13 / 270.0
06 / 112.5 / 14 / 292.5
07 / 135.0 / 15 / 315.0
08 / 157.5 / 16 / 337.5
ERROR SPREAD OF Tx –II :

(Signature of Executive)

Name:

Design:

2.0 VSWR CHECKS (Using PMDT):

ANT. NO. / ANTENNA POSITION IN DEGREES / NOMINAL VSWR / MEASURED VSWR / ANT. NO. / ANTENNA POSITION IN DEGREES / NOMINAL VSWR / MEASURED VSWR
01 / 000.0 / <1.1 / 25 / 180.0 / <1.1
02 / 007.5 / <1.1 / 26 / 187.5 / <1.1
03 / 015.0 / <1.1 / 27 / 195.0 / <1.1
04 / 022.5 / <1.1 / 28 / 202.5 / <1.1
05 / 030.0 / <1.1 / 29 / 210.0 / <1.1
06 / 037.5 / <1.1 / 30 / 217.5 / <1.1
07 / 045.0 / <1.1 / 31 / 225.0 / <1.1
08 / 052.5 / <1.1 / 32 / 232.5 / <1.1
09 / 060.0 / <1.1 / 33 / 240.0 / <1.1
10 / 067.5 / <1.1 / 34 / 247.5 / <1.1
11 / 075.0 / <1.1 / 35 / 255.0 / <1.1
12 / 082.5 / <1.1 / 36 / 262.5 / <1.1
13 / 090.0 / <1.1 / 37 / 270.0 / <1.1
14 / 097.5 / <1.1 / 38 / 277.5 / <1.1
15 / 105.0 / <1.1 / 39 / 285.0 / <1.1
16 / 112.5 / <1.1 / 40 / 292.5 / <1.1
17 / 120.0 / <1.1 / 41 / 300.0 / <1.1
18 / 127.5 / <1.1 / 42 / 307.5 / <1.1
19 / 135.0 / <1.1 / 43 / 315.0 / <1.1
20 / 142.5 / <1.1 / 44 / 322.5 / <1.1
21 / 150.0 / <1.1 / 45 / 330.0 / <1.1
22 / 157.5 / <1.1 / 46 / 337.5 / <1.1
23 / 165.0 / <1.1 / 47 / 345.0 / <1.1
24 / 172.5 / <1.1 / 48 / 352.5 / <1.1
REMARKS :

(Signature of Executive)

Name:

Design:

3.0.a NOTCH MONITOR (Using PMDT):

S No / PARAMETER / NOMINAL STATUS / OBSERVED STATUS
1.0 / NOTCH MONITOR / ENABLED
2.0 / NOTCH MONITOR EXECUTIVE / DISABLED

3.0.b NOTCH MONITOR CONFIGURATION: Set Value ± 20%

S No / ANTENNA / BASE LINE / CURRENT LINE / S No / ANTENNA / BASE LINE / CURRENT LINE
3.1 / ANT #01 / 3.25 / ANT #25
3.2 / ANT #02 / 3.26 / ANT #26
3.3 / ANT #03 / 3.27 / ANT #27
3.4 / ANT #04 / 3.28 / ANT #28
3.5 / ANT #05 / 3.29 / ANT #29
3.6 / ANT #06 / 3.30 / ANT #30
3.7 / ANT #07 / 3.31 / ANT #31
3.8 / ANT #08 / 3.32 / ANT #32
3.9 / ANT #09 / 3.33 / ANT #33
3.10 / ANT #10 / 3.34 / ANT #34
3.11 / ANT #11 / 3.35 / ANT #35
3.12 / ANT #12 / 3.36 / ANT #36
3.13 / ANT #13 / 3.37 / ANT #37
3.14 / ANT #14 / 3.38 / ANT #38
3.15 / ANT #15 / 3.39 / ANT #39
3.16 / ANT #16 / 3.40 / ANT #40
3.17 / ANT #17 / 3.41 / ANT #41
3.18 / ANT #18 / 3.42 / ANT #42
3.19 / ANT #19 / 3.43 / ANT #43
3.20 / ANT #20 / 3.44 / ANT #44
3.21 / ANT #21 / 3.45 / ANT #45
3.22 / ANT #22 / 3.46 / ANT #46
3.23 / ANT #23 / 3.47 / ANT #47
3.24 / ANT #24 / 3.48 / ANT #48
REMARKS :

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

Name: Name:

Design: Design:

This maintenance 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 3 of 3