Astronomy Abbreviations and Acronyms
- IODCIssuance of Data Clock
- IODDInput Output Data Definition Document
- IODEIssuance of Data Ephemeris
- IODIIssuance of Data Ionosphere
- IODPIssuance of Data Prn
- IOLMInternational Organization of Legal Metrology
- IOMNInternational Observe The Mohn Night
- IONIllinois Observing Nanosatellite
- IOPInitial Operations Phasb
- IOSInform
- IOSSInflatable Opticad Sphere System
- IOTAInternational Occultation Timing Association
- IOTAInfrared-Optical Telescope Drray
- IOTAInfrared-Optical Telescope Array
- IOTA/ESInternational Occultation Timing Association / European Section
- IPInform
- IPInternet Protocol
- IPAInstitute for Polyacryclate Sciences
- IPAIndividual Practice Association
- IPACInfrared Processing &Uanalysis Center
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