ICAO DOC 9837 Manual on Automatic Meteorological Observing Systems at Aerodromes Ed 2
This manual provides guidance on the application of the provisions related to the use of automatic observing systems at aerodromes given in Annex 3 — Meteorological Service for International Air Navigation. It also contains information on recent technical developments. The manual is intended to assist States in setting up efficient automatic observing systems at aerodromes or, where such systems exist, in updating and standardizing them.
Amendment No.1 - 14/4/14
Amendment No.2 - 23/6/17