In general, researchers who are interested in GNSS data and Ionosonde data which are handled by KMITL can make a request by filling out the form below. If there is no objection from our partners, we will then send you the downloadable links. When publishing research works from downloaded data, you will need to acknowledge “Thai GNSS and Space Weather Information Center, King Mongkut’s Institute of Technology Ladkrabang, Thailand” and the sponsor of equipment (if any) such as SEALION Project, Kyoto University, etc.
To request the GNSS or Ionosonde data (Ionograms), please click here to download the Data Request Form.
This file requests researcher(s) or student advisor(s) to fill in the information and send it back to e-mail:
- pornchai.su[at]kmitl.ac.th or
More information will be provided during the Data request process.
Most of GNSS data and Ionosonde data that KMITL handles are through
- SouthEast Asian Low-latitude Ionospheric Network (SEALION) project
- Coolobaration with ENRI (Japan) and AeroThai
- Chulalongkorn University, Kyoto University
|Stations||RINEX||GTEX||Collaborated Partners||Download permission|
|Bangkok (KMIT)||KMIT (2002 – present)||KMIT||NICT (Japan)||Yes|
|Chumphon (CHPN)||CHPN (2005 – 2014)||CHPN||NICT (Japan)||Yes|
|Chiangmai University (CIMU)||CIMU (2004 – 2014)||CIMU||NICT (Japan)||Yes|
|Phuket (PTAC)||PTAC (2006 – 2014)||PTAC||NICT (Japan)||Yes|
|Nongkai (NKKI)||NKKI (2008 – 2019)||NKKI||Chulalongkorn Univ., Kyoto Univ.||Yes|
|Stamford Int. University (STFD)||ENRI (Japan)||No|
|Aero Thai (SVBA)||Aerothai||No|
|KMITL (12-Floor-Building) (KMIE)||No|
|Nakhon Ratchaseema (NKRM)||RUTI (Thailand)||Yes|
International (Near future in 2019 or 2020)
|Yangon||Yangon Technological University (YTU), Myanmar|
|Vientiane||National University of Laos|
|Phnom Penh||University of Cambodia|
GNSS Network in Thailand
Currently, the Thai government has already installed and operated over 200 GNSS stations (with more in the near future), mostly under
The integrated National GNSS data center is operational by Royal Thai Survey Department with the service to public and private customers
GNSS CORS Portal:
Department of Land
Royal Thai Survey Department, Ministry of Defense
Below is the map of projected GNSS station locations.
Source: National Subcommittee on GNSS Network meeting (1/2019)
|Chiangmai (CMU)||Ionosonde||CMU||Yes||NICT (Japan)|
|Chumphon (CPN)||Ionosonde||CPN||Yes||NICT (Japan)|