Installation Manual

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.