METEOROLOGICAL TELECOMMUNICATION EQUIPMENTS at MC Gangtok

 

DMDD

 

DMDD stands for Digital Meteorological Data Dissemination. The system is designed for direction reception of satellite imageries in three different channels, namely, Visible, Infrared and water vapor from Indian Satellite System and also for reception of weather charts and satellite images in fax format from the Meteorological Data Processing System of Satellite Meteorological Division, Mausam Bhavan, Lodi Road, New Delhi.The system was installed at Meteorological Centre, Gangtok on 20th March, 2008 and was started functioning from the same date. The system mainly comprises 120 Cm receiver antenna, S-band LNBC, 2-band power divider, PC based demodulator Card, Ethernet converter and DMDD workstation and “MetGIS” software. This meteorological center receives 3 hours satellite images and hourly satellite images in fax format and analyzed weather charts/forecasts along with GTS data through the system.

 

 

HSDT

 

HSDT stands for High Speed Data Terminal. The system is meant for transmission and reception of all weather related information at 256 kbps speed. The system works on high speed leased line of 256 Kpbs leased line provided by BSNL and has Virtual Private Network 256 Kbps bronze type set up for working. Using these High Speed Data Terminal regular meteorological observations recorded at various observatories functioning under India Meteorological Department can be sent to HQ on real time basis.The system was installed at Meteorological Centre, Gangtok on 12th May, 2008 and is fully functional since then. The system mainly consists of a high-speed modem, router, switch and personal computer that support all the application software “METCONNECT”. A GPS/EGPRS data modem with SIM has also been provided with the system to access data from various landline/mobile for meteorological data reception on real-time basis.

 

IVRS

 

IVRS stands for Interactive Voice Response System. The system is used for daily updating of weather information and forecasts pertaining to various stations and such data can be accessed from anywhere through any landline/mobile phone either as toll free or paid up calls. Two numbers of telephone lines (incoming only) has been attached to the system for accessing the weather information. And weather information may be accessible by any interested party. The weather information that can be accessed through this IVRS is mainly advance weather warning, maximum and minimum temperatures, daily 24 hours cumulative rainfall, forecast for next 24 hours that include maximum/minimum temperature and rainfall forecasts. The system was installed at Meteorological Center, Gangtok on 5th may, 2008 and operational since then. The system mainly consists a Line sharing EPABX device, a line sharing SMPS device, Dialogic Card, modem, Router and switch connected to IVRS servers. The system will be on line 24hours and can be accessed throughout the day. The two telephone numbers are 1.03592-202079 and 2. 03592-205040. The weather information is available in three languages viz. English, Hindi and Nepali.