| 
TTT
 | 
| 
t
 | 
Mountain time zone, U.S.A.
 | 
| 
T&A
 | 
Time and Attendance | 
| 
T&A
 | 
Trending
 and Analysis | 
| 
T&C
 | 
Telemetry
 and Command | 
| 
T/M
 | 
Telemetry
 | 
| 
T/V
 | 
Thermal Vacuum
 | 
| 
TAA
 | 
Technical Assistance Agreement
 | 
| 
TAI
 | 
Time
 Synchronized to International Atomic Time | 
| 
TASTIE
 | 
TIMED
 Attitude Test and Integration Equipment
 | 
| 
TAC
 | 
Time to Amplitude Converter
 | 
| 
TB
 | 
Terabytes | 
| 
TBC
 | 
To Be
 Confirmed
 | 
| 
TBD
 | 
To Be
 Determined
 | 
| 
TBR
 | 
To Be
 Reviewed
 | 
| 
TBS
 | 
To
 Be Supplied | 
| 
TC/TM
 | 
Thermocouple/Temperature Monitor
 | 
| 
TCP
 | 
Transmission
 Control Protocol | 
| 
TCP/IP
 | 
Transmission Control Protocol/Internet Protocol
 | 
| 
TDRSS
 | 
Tracking Data Relay Satellite System
 | 
| 
TDS
 | 
Time Domain Smapler
 | 
| 
TFI
 | 
Telemetry Fame Input
 | 
| 
THVC
 | 
Thermal High Vacuum Chamber
 | 
| 
TID
 | 
Total
 Ionizing Dose
 | 
| 
TIDI
 | 
TIMED
 Doppler Interferometer
 | 
| 
TIM
 | 
Technical Interchange Meeting
 | 
| 
TIMED
 | 
Thermosphere, Ionosphere, Mesosphere Energetics and Dynamics Mission
 | 
| 
TINTS
 | 
TIMED
 Integration Simulator
 | 
| 
TLM
 | 
Telemetry
 | 
| 
TLMIF
 | 
Telemetry Interface
 | 
| 
TMCO
 | 
Technical,
 Management, Cost and Other | 
| 
TMDA
 | 
Theory/Modeling
 & Data Analysis | 
| 
TM/DAQ
 | 
Telemetry/Data Acquisition
 | 
| 
TML
 | 
Total
 Mass Loss
 | 
| 
TOF
 | 
Time of Flight
 | 
| 
TOPS
 | 
TIMED
 Operations Simulator
 | 
| 
TP
 | 
Tracking Processor
 | 
| 
TQCM
 | 
Thermoelectric Quartz Crystal
 | 
| 
TR
 | 
Transitional Region
 | 
| 
TR&T
 | 
Targeted
 Research and Technology | 
| 
TRACE
 | 
Transition Region And Coronal Explorer 
 | 
| 
TRK
 | 
Tracking | 
| 
TRL
 | 
Technology Readiness Level
 | 
| 
TRR
 | 
Test Readiness Review
 | 
| 
TSS
 | 
Telemetry Subset Service
 | 
| 
TSS
 | 
Tether
 Satellite System
 | 
| 
TTFF
 | 
Time to First Fix
 | 
| 
TTM
 | 
Thermal Test Model
 | 
| 
TTM
 | 
Tip Tilt Mirror
 | 
| 
TV
 | 
Thermal Vacuum
 | 
| 
TVI
 | 
Telemetry Virtual Input
 | 
| 
TWTA
 | 
Traveling Wave Tube Assembly
 | 
 
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