| Acronym | Meaning |
![](file.png) | HALIFF | N/A |
![](file.png) | HALOE | Halogen Occultation Experiment |
![](file.png) | HANK | N/A |
![](file.png) | HAO | High Altitude Observatory |
![](file.png) | HAPEX | Hydrological Atmospheric Pilot Experiment |
![](file.png) | HARP | Hawaiian Rainband Project |
![](file.png) | HARS | High-Altitude Route Structure Workstation |
![](file.png) | HARVARD | Harvard/Smithsonian Center For Astrophysics |
![](file.png) | HB | Hard Black |
![](file.png) | HBCUS | Historically Black Colleges And Universities |
![](file.png) | HCN | Historical Climatology Network |
![](file.png) | HCSN | High-Capacity Satellite Network |
![](file.png) | HDF | Hierarchical Data Format |
![](file.png) | HDGCP | Human Dimensions Of Global Change Program |
![](file.png) | HDGEC | Human Dimension Of Global Environment Change |
![](file.png) | HDLC | High Level Data Link Control |
![](file.png) | HDS | High-resolution Data Service |
![](file.png) | HEAO | High Energy Astronomy Observatory |
![](file.png) | HEIFE | Heihe Basin Field Experiment |
![](file.png) | HELLO | N/A |
![](file.png) | HEOS | Highly Eccentric Orbit Satellite |
![](file.png) | HEOS-A2 | Highly Eccentric Orbit Satellite |
![](file.png) | HERS | Human Ecology Research Service |
![](file.png) | HESP | High-Energy Solar Physics |
![](file.png) | HESS | Health |
![](file.png) | HEW | Health |
![](file.png) | HF | High Frequency |
![](file.png) | HF | High Frequency |
![](file.png) | HI | Human Interface |
![](file.png) | HIAPER | High-Performance Instrumented Airborne Platform For Environmental Research |
![](file.png) | HIGH-SLIP | Or High Slip |
![](file.png) | HIMSS | High Resolution Microwave Spectrometer Sounder |
![](file.png) | HIPLEX | High Plains Experiment |
![](file.png) | HIPPI | High Performance Parallel Interface |
![](file.png) | HIRDLS | High-Resolution Dynamics Limb Sounder |
![](file.png) | HIRIS | High Resolution Imaging Spectrometer |
![](file.png) | HIRRLS | High Resolution Research Limb Sounder |
![](file.png) | HIRS | High Infrared Radiometer (or Radiation) Sounder |
![](file.png) | HIRS | High-resolution Infrared Radiation Sounder |
![](file.png) | HIS | High-resolution Interferometer Sounder |
![](file.png) | HIS | High-resolution Infrared Sounder |
![](file.png) | HKUST | Hong Kong University Of Science And Technology |
![](file.png) | HL | Half Life |
![](file.png) | HMES | Hough Mode Extensions |
![](file.png) | HMMR | High Resolution Multifrequency Microwave Radiometer |
![](file.png) | HMS | High-altitude Multispectral Sounder |
![](file.png) | HMS | Hungarian Meteorological Service |
![](file.png) | HOL | Higher Order Language |
![](file.png) | HOS | Hydrocarbon Oxidation Studies |
![](file.png) | HP | Hewlett-Packard |