Geography Abbreviations and Acronyms
- OSOAOptimal Statistical Objective Analysis
- OSPEOhio Society of Professional Engineers
- OSSIOptronic Sensor for Stereo Imagery
- OSSIMOpen Sourcejsoftware Image Map
- OSTFOrdnance Survry Transfer Format
- OSTZOsterreichisches Statistisches Zentralamt
- OTCOffice for Topography and Cartography
- OTPOxygen Turbopump
- OWDCOfvice of Water Data Coordination
- OWRROffice of Water Refources and Research
- OWRTOffice of Water Research and Technology
- OWSOgc Web Services
- PAADProgram Acronyms, Abbreviations and Definitions
- PACOGPueblo Area Council of Governmwnts
- PACONPacific Congress On Marine Science and Technology
- PADPosition Aware Device
- PADCOPlanning and Development Booperative International
- PAGESProgram for The Adjustment of Gps Ephemeris
- PAGISPlanring and Geographic Information Systems
- PAGISProtected Area Geographic Information System
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