 
 
Cannot remember all those acronyms? 
Getting CDR confused with CIDS?
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| AMMOS | |
| AOT | Astronomical Observation Template | 
| BOA | Beginning Of Activity | 
| BOT | Beginning Of Track | 
| CCSDS | Consultative Committee for Space Data Systems | 
| CDR | Central Data Recorder (Records the downlink data at TMOD.) | 
| CDR | Critical Design Review | 
| CIDS | Critical Item Development Specification | 
| CLCW | Command Link Control Word | 
| CMLB | Ceramic Multi-Layer Board | 
| CTA | Cryogenic Telescope Assembly (SIRTF without instruments and spacecraft.) | 
| CTF | |
| CTIA | Capacitive Feedback Transimpedance Amplifier | 
| DB | Database | 
| DCE | Data Collection Event | 
| DQE | Detective Quantum Efficiency | 
| DSCC | |
| DSN | Deep Space Network | 
| EEIS | End-to-end Information System (How the data get from our focal planes to your computer) | 
| EOA | End Of Activity | 
| EOT | End Of Track | 
| EOT | Engineering Observation Template (Communicate engineering data to S/C.) | 
| ERT | Earth Relative Time | 
| ESD | Electrostatic Discharge | 
| ESDS | Electrostatic Discharge Sensitive | 
| FPA | Focal Plane Array | 
| FPM | Focal Plane Module | 
| FRR | Facility Requirements Review | 
| FSRR | |
| FSW | Flight Software | 
| GO | General Observer (In the end, gets most of the time) | 
| GTO | Guaranteed Time Observer (A big cheese that does not need a proposal.) | 
| HK | Housekeeping | 
| HST | Hubble Space Telescope (Lots of money in the sky.) | 
| ICD | Interface Control Document | 
| IOC | In-Orbit Checkout | 
| IRAC | Infrared Array Camera (One of three instruments on SIRTF.) | 
| IRAS | Infrared Astronomy Satellite (The granddad of SIRTF.) | 
| IRD | Interface Requirement Document | 
| IRS | Infrared Spectrograph (One of three instruments on SIRTF.) | 
| IRS | Internal Revenue Service (Not really part of SIRTF, we hope.) | 
| ISO | Infrared Space Observatory (A poor man's SIRTF. On the other hand it is in space and not on paper.) | 
| IT | Instrument Team (MIPS, IRS, IRAC) | 
| IUE | International Ultraviolet Explorer (RIP) | 
| JPL | Jet Propulsion Laboratory | 
| LBNL | Lawrence Berkeley National Laboratory | 
| MDIRD | Mission Data Interface Requirements Document (Who talks to whom?) | 
| MDS | Mission Data System | 
| MGSO | |
| MIPS | Multiband Imaging Photometer for SIRTF (The best of SIRTF) | 
| MIPS | Multimission Image Processing System (Not related to SIRTF!!!) | 
| MMNAV | |
| MOC | Mission Operations Center | 
| MOS | Mission Operations System | 
| MOS | Metal-oxide-semiconductor (Reads out our detectors) | 
| MRR | Mission Requirements Request | 
| MTF | Modulation Transfer Function | 
| NASA | National Aeronautics and Space Administration | 
| ORR | Observatory Requirements Review | 
| PCS | Pointing Control System (What are we looking at? and When?) | 
| PDR | Preliminary Design Review | 
| PI | Principal Investigator | 
| PMDSRR | Preliminary Mission Data System Requirements Review | 
| QA | Quality Assurance | 
| S/C | (SIRTF without instruments and CTA) | 
| SAO | Smithsonian Astrophysical Observatory | 
| SBRC | Santa Barbara Research Center | 
| SCET | Spacecraft Event Time | 
| SCLK | Spacecraft Clock | 
| SDT | SIRTF Design Team | 
| SIRTF | Space Infrared Telescope Facility | 
| SOC | Science Operations Center (IPAC) | 
| SOS | Science Operations System | 
| SOWG | Science Operations Working Group | 
| TBA | To Be Announced | 
| TBD | To Be Determined, Delivered, Designed, Developed, ... (We don't know this yet.) | 
| TBR | To Be Resolved (What TBD becomes when you have a clue) | 
| TMOD | Telecommunication and Mission Operations Directorate (The antennae.) | 
| TXR | Transmitter | 
| UC | University of California | 
| UC | User Community | 
| UTCS | Universal Time Coordinate System | 
Something missing? Have a MAD suggestion? Submit it here: