DIRECTORATE GENERAL OF LIGHTHOUSES AND LIGHTSHIPS

DIFFERENTIAL GLOBAL POSITIONING SYSTEN (DGPS
a) DGPS Equipment
Beacon I.D. :	113
Reference station 1
Receiver Type	MX 9400 R 12 channel GPS Receiver
Receiver Antenna	Chokring Antenna S.No.7759
Reference station I.D.	426
Position	10 o 45 ’ 58.133” N
	79 o51’00.372” E
Modulator Type	MX 50 M S. No.270
Operating Frequency	323 KHz
Type of Modulation	MSK
Transmission Rate	100 bps
Reference Station 2
Receiver Type	MX 9400 R 12 Channel GPS Receiver
Receiver Antenna	Hi- Field Antenna (Ferrite Loop Antenna)
Reference Station I.D.	427
Position	10 o 45.58.036” N
	79 o 51’00.376” E
Modulator Type	MX 50 M S.No.278
Operating Frequency	323 KHz
Type of modulation	MSK
Transmission Rate	100 bps
Intergrity Monitor
Receiver Type	MX 9400 R
Navigator Type	MX 51 R
Position	10o 45.58.056’’ N

	79 o 51’ 00.381’’E
Computer Display Unit
CPU	Compaq D 290 S.No. INI55Z010P with Serial Interface Card.
Monitor	15’’ L.C.D. ‘Samsung’ S.No. MJ15MHBL 200223
Printer	‘Epson’ LQ 1150 S.No. D47Y081565
b) Transmitter
. Make	‘NAUTEL’ Maine Inc., USA.
S.No	B 116
Model	GSP 100 Dual Transmitter
Transmitter Output	1 KW (Power set to 500 WS at the time of delivery).
Transmission Range	400km.
c) Antenna coupler
Make	‘NAUTEL’ Ltd., Canada.
S.No.	B 619
Model	NX 400 TUB / NAT/ 27/06-1000W
d) Transmitter Antenna
Type	‘T’ type
Aerial Tower	2 Nos.
Height	30 metres
Date of commissioning of DGPS	12th November 2002
Date of commissioning of Transmitter	23th March 1992