
Glossary
Glossary-2
98-152675-A
Cobham Public
P
PNR
Part Number
R
RF
Radio Frequency.
RH
Relative Humidity.
RMA
Return Material Authorization.
RTCA
Radio Technical Commission for Aeronautics
Rx
Received signal.
S
SCM
SDU Configuration Module
SDU
Satellite Data Unit
STC
Supplemental Type Certificate. FAA certification document issued to companies that
perform significant modifications on an aircraft.
T
TNC
Threaded Neill-Concelman. A type of RF connector used for terminating coaxial cables.
Tx
Transmitted signal.