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AEROSPACE TELEMENTRY

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INTRODUCTION


o Telemetry : science of transmission of
inaccessible data to accessible location
o Also defines as science of use of telemeter
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o Tele means remote & metron means
measure
o Aerospace telemetry : science of
transmission of information from air space
vehicle to accessible location
www.allforbtech.comHISTORY


HISTORY



Use of TM occurred in U.S in 1885, used by
electric power companies to monitor electric
power distribution

In 1912, TM installed in Chicago , transmit
data on its several electric power to a control
www.allforbtech.comstation, using existing telephone network

WW1,WW2 –transmission through electric
power lines, wired telemetry system started

used in area of flight test
www.allforbtech.comREQUIRED EQ


TELEMETRY CALIBRATION



Check , adjust or standardize systematically
the graduation of a quantitative measuring
instrument

TYPE :
www.allforbtech.com1. transducer calibration
2. Data system calibration
3. Physical end-to-end calibration
www.allforbtech.comIRIG FORMAT


CONCLUSION


This presentation provide :

History of telemetry come about

Applications
Telemetry requirements
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Also about signal conditioning , sub-carrier
equipments

Some telemetry concerns

Noise & error

Different IRIG standards