11 points observing system
advanced land observing satellite ALOS
advanced land observing satellite ALOS image
Automatic meteorological observing system
Automatic Observing Station
Automatic observing system
baseline observing station [GAW]
climate observing station
Climate Observing System
coastal observing station
Earth Observing Satellite
Earth observing technology
energy observing and control
exmicrocosmic observing
forest hydro-ecology observing and measuring station