HAII-ICGC:GNSS Project

2015/03/05

2

• To establish 1 IGS-nominated GNSS reference station with time control at NIMT with data center to synchronize data with IGS and the International Bureau of Weights and Measures (BIPM)

• To establish 5 GNSS reference stations in the flood risk area.

• To setup a data center at HAII to synchronize all existing and new GNSS reference stations in order to formulate national CORS network and provide services to support precise mapping applications

Objectives

Site selection

Current +Plan Station in Thailand

central part of Thailand

1. Located in central part of Thailand (flood area)2. Baseline distance between station within 50-100 km3. Can be connected to current RTK networks (DPT&DOL) 6 stations

VRS system by Department of land (DOL)

RTN system by Department of Public Works and Town & Country Planning (DPT)

6 Stations (on HAII-NIMT

plan)1 IGS-Station +5

Stations

Reference Network in Thailand

99km

107km

64km

76km

60km 52km

54km

67km

50km 55km

Baseline distance for 6 station networks

Instrumentation: for 6 stationsMain Instrument Other Device Option

A- Station(At NIMT*)

1 station (IGS)1 station (Back up)1 server

2 Meteorology Devices 1 atomic clock

B-F station 5 stations 5 Meteorology DevicesData Center 1 server + Software

(processing / network& user service)

-Weather Module-Monitoring Module

*National Institute of Metrology of Thailand (www.nimt.or.th)