Vietnam: 04 services provided by national satellite navigation network

According to Circular No. 03/2020/TT-BTNMT of the Ministry of Natural Resources and Environment of Vietnam, 04 services provided by national satellite navigation network include:

1. Providing GNSS data with respect to data type with data sampling of 30 seconds, 15 seconds and 1 second in RINEX format serving post-processing in period specified by law.

2. Providing GNSS network calculation and processing services with accuracy of mm in the ITRF.

3. Providing GNSS value processing and calculation services for users online on personal request.

4. Providing real-time kinematic services within the VN-2000 national coordinate system and national altitude system via applying network solution (Network RTK) such as: VRS, MAX, iMAX or Singe Base, etc. for users.

Note: Services provided by the national satellite navigation network used in survey and creation of topographic maps; development and update of national geological database; survey and creation of cadastral maps; scientific research and other survey, mapping activities. 

Moreover, according to this Circular, mobile GNSS measuring instruments utilizing real-time kinematic services must satisfy following basic requirements:

- Mobile multiband GNSS measuring instruments, capable of receiving all signals from popular satellite navigation systems such as: GPS, GLONASS, GALILEO, BDS;

- Capable of establishing connection via Ntrip protocol and receiving RTCM v3.x data corrections with message packets from 1021 – 1027;

- Receiving signals from satellite navigation systems in clear weather condition.

View more details at the Circular No. 03/2020/TT-BTNMT of the Ministry of Natural Resources and Environment of Vietnam, effective from July 15, 2020.

Ty Na

>> CLICK HERE TO READ THIS ARTICLE IN VIETNAMESE