| A/D | Analog to Digital | |
| ANSI | American National Standards Institute |
| ARSU | Amplified Receive Selection Unit |
| ASCII | American Standard Code for Information Exchange |
| Az | Azimuth |
| BCD | Binary Coded Decimal |
| CAMAC | Computer Automated Measurement And Control |
| CCD | Charge Coupled Device |
| CFD | Constant Fraction Discriminator |
| DMS | Data Measurement Subsystem |
| D/S | Digital to Synchro |
| EC | Engineering Change |
| El | Elevation |
| EOS | End Of Scenario |
| FOV | Field Of View |
| GMT | Greenwich Mean Time |
| GPIB | General Purpose Interface Bus |
| GPS | Global Positioning System |
| HSLR | High Sensitivity Laser Receiver |
| IEEE | Institute of Electronic and Electrical Engineers |
| ILRS | International Laser Ranging Service |
| IRV | Inter-Range Vector |
| LED | Light Emitting Diode |
| LRC | Laser Ranging Control |
| MOBLAS | Mobile Laser System |
| MCP | Multi-Channel Plate |
| MOMS | Mobile Optical Mount System |
| MPACS | Mount Positioning and Control Subsystem |
| MRU | MOBLAS Rack Unit |
| ND | Neutral Density |
| Nd:YAG | Neodymium Yttrium Aluminium Garnet |
| NIM | Nuclear Instrumentation Measurement |
| NIMBIN | NIM Bin |
| OAM | Optical Attenuation Mechanism |
| PMT | Photomultiplier Tube |
| PPS | Pulse Per Second |
| PSU | Power Supply Unit |
| SLR | Satellite Laser Ranging / Ranger |
| T&MC | Tracking and Mount Control |
| TIC | Time Interval Counter |
| TIV | Tuner Inter-Range Vector |
| TOF | Time Of Flight |
| USNO | United States Naval Observatory |
| UTC | Universal Coordinated Time |
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