| Abbreviation | Full Meaning |
|---|---|
| Aerolog.Stn | Aerological Station |
| Arpt | Airport |
| C. | Cape |
| Centr.Obs. | Central Observatory |
| Expdn | Expedition |
| Int.Arpt | International Airport |
| Is. | Island |
| Isls | Islands |
| M. | Mount |
| M.Obs. | Main Observatory |
| Met.Centre | Meteorological Centre |
| Met.Obs. | Meteorological Observatory |
| Met.Res.Stn | Meteorological Research Station |
| Obs. | Observatory |
| Res.Stn | Research Station |
| Solar.rad.Research Lab. | Solar Radiation Research Laboratory |
| Univ. | University |
| CDI | Bellani pyranometer |
| KZ | Kipp and Zonen pyranometer |
| PSP | Eppley precision spectral pyranometer |
| TB | bimetallic actinograph |
| TB/B/ | Belfort bimetallic actinograph |
| TB/C/ | Casella bimetallic actinograph |
| TB/F/ | Fuess bimetallic actinograph |
| TB/R/ | Robitzsch bimetallic actinograph |
| TT | Thermoelectric pyranometer |
| TT/D/ | Pyranometer constructed in the Physical and Meteorological observatory in Davos |
| TT/E/ | Eppley pyranometer |
| TT/EKO/ | EKO pyranometer |
| TT/IS/ | SODECO integrated pyranometer |
| TT/M/ | M-80 pyranometer |
| TT/MG/ | Moll-Gorczynsky pyranometer |
| TT/LICOR/ | Li-Cor pyranometer |
| TT/P/ | Pyranometer of the Main Meteorological Observatory, Potsdam |
| TT/S/ | Stellar pyranometer |
| TT/V/ | Voloshin pyranomete |
| TT/M/ | M3 thermoelectric actinometer |
| TT/SN/ | Sonntag pyranometer |
| SR-75 | Spectrolab SR-75 pyranometer |
| NIP | Normal incidence pyrheliometer |
| BT/CSIRO/ | CSIRO net pyrradiometer |
| BT/F/ | Funk net pyrradiometer |
| BT/GD/ | Gier and Duncle net pyrradiometer |
| BT/M/ | M-10 net pyrradiometer |
| BT/S/ | Schulze net pyrradiometer |
| BT/SF/ | Suomi-Franssila net pyrradiometer |
| BT/./ | Other designs of net pyrradiometer |
| SS/A/ | Automatic heliograph |
| SS/C/ | Campbell-Stokes sunshine recorder |
| SS/CE/ | CIMEL fibre optique sunshine recorder |
| SS/CS/ | Casella sunshine recorder |
| SS/DSV12/ | Vaisala DSV12 sunshine sensor |
| SS/EKO/ | EKO sunshine recorder |
| SS/FO/ | Fibre optique sunshine recorder |
| SS/H/ | Haenni-type sunshine recorder |
| SS/J/ | Jordan sunshine recorder |
| SS/PREDE/ | PREDE sunshine recorder |
| SS/RS/ | Rimco-Summer sunshine recorder |
| SS/SONI/ | SONI sunshine recorder |
| KZ/CSD/ | Kipp and Zonen CSD sunshine sensor |
| IPS | International Pyrheliometric Scale |
| WRR | World Radiometric Reference |
| TSS | True Solar Time |
| + | Information on instrument type is not available at WRDC |