Decision No. 05/2007/QD-BTNMT On the use of the parameter system for coordinate transformation between the International Geodetic Reference System WGS-84 and the National Geodetic Reference System VN-2000

Decision No. 05/2007/QD-BTNMT provides detailed regulations on the use of the parameter system for coordinate transformation between the International Geodetic Reference System WGS-84 and the National Geodetic Reference System VN-2000, including parameters such as origin shift, axis rotation angle, and length scale factor.

Document No.05/2007/QĐ-BTNMT
Document typeDecision
Issuing authorityMinistry of Agriculture and Environment
Signed byĐặng Hùng Võ — Thứ trưởng
Updated29/06/2026
SectorNatural Resources and Environment
FieldUncategorized
Issued date27/02/2007
Effective date29/04/2007
Expiry date
StatusIn effect
✦ Smart summary

Decision No. 05/2007/QD-BTNMT provides detailed regulations on the use of the parameter system for coordinate transformation between the International Geodetic Reference System WGS-84 and the National Geodetic Reference System VN-2000, including parameters such as origin shift, axis rotation angle, and length scale factor.

Key points

  • The parameter system for coordinate transformation between the International Geodetic Reference System WGS-84 and the National Geodetic Reference System VN-2000 includes specific parameters such as: ∆x0 = -191,90441429 m; ∆y0 = -39,30318279 m; ∆z0 = -111,45032835 m; ω0 = -0,00928836"; ψ0 = 0,01975479"; ε0 = -0,00427372"; k = 1,000000252906278.
  • This Decision shall take effect fifteen days from the date of publication in the Official Gazette.
  • The Director of the Surveying and Mapping Department shall be responsible for guiding the use of the aforementioned parameters.
  • Heads of ministries at the ministerial level, heads of government agencies under the central government; Chairpersons of provincial People's Committees directly under the Central Government; Directors of relevant Departments and Centers under the Ministry of Natural Resources and Environment; Directors of Provincial Departments of Natural Resources and Environment; organizations and individuals permitted to engage in surveying and mapping activities shall be responsible for implementing this Decision.
  • There are no specific provisions regarding the rights and obligations of businesses or citizens.

🌐 Social impact of this document

  • Positive impact: Providing accurate information for coordinate transformation in surveying and mapping activities.
  • Negative impact: It may cause difficulties for organizations and individuals unfamiliar with the new regulations.

❓ Frequently asked questions

What are the parameters for coordinate transformation between the International Geodetic Reference System WGS-84 and the National Geodetic Reference System VN-2000?

The parameters include: ∆x0 = -191,90441429 m; ∆y0 = -39,30318279 m; ∆z0 = -111,45032835 m; ω0 = -0,00928836"; ψ0 = 0,01975479"; ε0 = -0,00427372"; k = 1,000000252906278.

When does this Decision take effect?

This Decision shall take effect fifteen days from the date of publication in the Official Gazette.

Who is responsible for guiding the use of these coordinate transformation parameters?

The Director of the Surveying and Mapping Department under the Ministry of Natural Resources and Environment is responsible for guiding the use of the aforementioned parameters.

Who is responsible for implementing this Decision?

Heads of ministries at the ministerial level, heads of government agencies under the central government; Chairpersons of provincial People's Committees directly under the Central Government; Directors of relevant Departments and Centers under the Ministry of Natural Resources and Environment; Directors of Provincial Departments of Natural Resources and Environment; organizations and individuals permitted to engage in surveying and mapping activities shall be responsible for implementing this Decision.

Full text

MINISTRY OF NATURAL RESOURCES AND ENVIRONMENT

SOCIALIST REPUBLIC OF VIET NAM
Independence – Freedom – Happiness

Number: 05/2007/QĐ-BTNMT
Hanoi, February 27, 2007

 DECISION

Regarding the use of the parameter system for coordinate transformation between the International Geodetic Reference System WGS-84 and the National Geodetic Reference System VN-2000

Pursuant to Decree No. 12/2002/NĐ-CP dated January 22, 2002 of the Government on surveying and mapping activities;

______________________

MINISTER OF NATURAL RESOURCES AND ENVIRONMENT

Pursuant to Decree No. 91/2002/NĐ-CP dated November 11, 2002 of the Government stipulating the functions, tasks, powers, and organizational structure of the Ministry of Natural Resources and Environment;

In accordance with the proposal of the Director of the Surveying and Mapping Department.

Now, the parameter system for coordinate transformation between the International Geodetic Reference System WGS-84 and the National Geodetic Reference System VN-2000 shall be used as follows:

DECISION:

Article 1. 1. Coordinate origin shift parameters:

∆x0 = -191.90441429 meters;

∆y0 = -39.30318279 meters;

∆z0 = -111.45032835 meters.

2. Axis rotation angles:

ω0 = -0.00928836 arcseconds;

ψ0 = 0.01975479 arcseconds;

ε0 = -0.00427372 arcseconds.

3. Length scale factor:

k = 1.000000252906278.

This Decision shall take effect fifteen days from the date of publication in the Official Gazette.

Article 2. The Director of the Surveying and Mapping Department under the Ministry of Natural Resources and Environment shall be responsible for guiding the use of the aforementioned parameters.

Article 3. The Minister, Heads of ministerial-level agencies, Heads of government-affiliated agencies responsible for managing specialized surveying and mapping activities; Chairpersons of provincial and centrally-administered city People's Committees; Directors of relevant Bureaus under the Ministry of Natural Resources and Environment; Directors of Provincial Departments of Natural Resources and Environment; organizations and individuals permitted to engage in surveying and mapping activities shall be responsible for implementing this Decision.

Article 4. Dang Hung Vo

 

DEPUTY MINISTER
DEPUTY MINISTER
(Signed)
Đặng Hùng Võ
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