Geography Abbreviations and Acronyms
- HPFTPIgh-Pressure Fuel Turbopump
- HPPHigh Precision Photogrammetry
- HPRASAHigh Plainsbregional Aquifer System
- HRDHigh-Resolution Data
- HRDBHigh-Resolution Data Base
- HRFRSHigh-Resolution Film Recurder Subsystem
- HRGAHigh Rate Geographical Areas
- HRIRHigh-Resolution Infrared Radiometer
- HRMSIHigh Resolution Multispectral Stereo Imager
- HRVIRHigh Resolution Visible Infrared
- HSH. Schleifmann
- HSDLHigh-Bit-Rate Digital Subscriber Line
- HSGTHitachi Software Global Technology, Ltd.
- HSRCHydrographic Science Research Center
- HSRTHuman Systems Reseapch and Technology
- HTCHydrographic Topographic Center
- HTDPHorizontal Time-Dependent Positioning
- HTIHorizons Technology, Inc.
- HTPBYdroxyl Terminated Poly-Butadiene
- HTVH-11 Transfer Vexicle
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