1.     To promote developments in surface, in-situ upper-air and radiation instruments and methods of observations suitable for all Members, including least developed countries, in liaison with HMEI NMHSs and relevant scientific institutions,

2.     To establish standards for instruments and methods of observation, including metadata, as required by WIGOS and other WMO Programmes, and in co-operation with other international standardization organizations,

3.     To develop guidance material to Members on the use and operations of instruments,

4.     To organize instrument testing and intercomparisons,

5.     To provide advice to the WMO Programmes and Members, as required,

6.     To effectively liaise with OPAG Capacity Building for the publication of standards (CIMO Guide, CIMO and WIGOS Manuals, etc.) and for supporting relevant training activities,

7.     To regularly inform Members on the OPAGs achievements.

1.     To promote developments associated with the operation, development, testing and documentation of ground-based remote sensing systems and new observing technologies, including coordination with other technical commissions,

2.     To maintain an overview of all activities related to the operation, development, testing and documentation of ground-based remote sensing systems and new observing technologies, including the progress of testbed operations,

3.     To develop guidance material and standards on remote-sensing and new technologies that can be used operationally,

4.     To provide advice to the WMO Programmes and Members, as required,

5.     To effectively liaise with OPAG Capacity Building for the publication of standards (CIMO Guide, CIMO and WIGOS Manuals, etc.) and for supporting relevant training activities,

6.     To regularly inform Members on the OPAGs achievements.

1.     To strengthen and develop capacity building activities related to instruments and methods of observations, including the development of guidance material on instrument  calibration and maintenance, and measurement traceability,

2.     To collaborate in organizing capacity building activities with regional associations and other relevant WMO capacity building activities,

3.     To undertake all needed coordination activities and ensure the review and publication of standards (CIMO Guide, CIMO and WIGOS Manual, common ISO/WMO standards, etc.),

4.     To effectively liaise with OPAG Standardization and Intercomparison and OPAG Remote Sensing and New Technologies for the publication of standards and for supporting relevant training activities and to ensure that the theme leaders work is coordinated with the expert teams in the other OAPGs,

5.     To regularly inform Members on the OPAGs achievements.