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Appendix A: Acronyms and Abbreviations

ASC Astro Space Center of Lebedev Physical Institute
ATNF Australia Telescope National Facility
CNS Spacecraft Constraints File
CS Control Station
DIT Data Interface Team
DOTS Data Oversight & Transfer System
DPL Data Processing Log
DSN Deep Space Network
EVN European VLBI Network
FTP File transfer protocol
GBTS Green Bank Tracking Station
GOCG General Operation Control Group
GPS Global Positioning System
GRT Ground Radio Telescope
GTS Ground Tracking Station
IP Internet Protocol
ISTS Institute for Space and Terrestrial Science
JIVE Joint Institute for VLBI in Europe
CS Control Station
JPL Jet Propulsion Laboratory
MBC Main Ballistic(Navigation) Center (Located in Lavochkin Association)
Mbps Megabits per second
MDF Monitor Data File
ME Mission Element
MMNAV (JPL) Multi-Mission Navigation
NASA National Aeronautics and Space Administration
NAV Navigation Groups
NRAO National Radio Astronomy Observatory
NRT Near Real-Time
OD Orbit Determination
OSF Observation Summary File
PC Processing Center
PI Principal Investigator
PST Pacific Standard Time
S2 S2 Recording System
SPL Station Performance Log
SRS Space Radio-Telescope Schedule
SRT Space Radio Telescope
SVLBI Space Very Long Baseline Interferometry
TCF Time Corrections File
THF Telemetry Header File
TPF Telemetry Prognosis File
TSM TSys Monitor
UT Universal (Coordinated) Time
UTC Coordinated Universal Time
VEX VLBI Experiment (file format)
VLA Very Large Array
VLBA Very Long Baseline Array
VLBI Very Long Baseline Interferometry
RMOH RadioAstron Mission Operations Handbook
RSOG RadioAstron Science Operations Group
WSRT Westerbork Synthesis Radio Telescope
XSOE Executed Sequence of Events

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