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TB 43-0117
UNIT INDICATORS (Cont'd)
UNIT
EXAMPLE OF USE
IND.
FAMILY NAME
RE
Relay assembly units --------------------------------------- Electrical, electronic
RL
Reeling machine --------------------------------------------- Mechanism for dispensing and rewinding
antenna or field wire, cable
RO
Recorders ----------------------------------------------------- Sound, graphic, tape, wire, film,
disc, facsimile, magnetic, mechanical
and card punch
RP
Reproducers -------------------------------------------------- Sound, graphic, tape, wire film,
disc, facsimile, magnetic, mechanical,
punched tape and card readers
RR
Reflectors------------------------------------------------------ Target, confusion. Except antenna re-
flectors
RT
Receiver-Transmitter --------------------------------------- Radio and radar transceiver, composite
transmitter and receiver
S
Shelters -------------------------------------------------------- Protective shelters
SA
Switching units ----------------------------------------------- Manual, impact, motor driven, pressure
operated, electronic
SB
Switchboards ------------------------------------------------- Telephone, fire control, power, power
distribution
SG
Generator, signal -------------------------------------------- Test oscillators, noise generators
SM
Simulators ----------------------------------------------------- Flight, aircraft, target, signal
SN
Synchronizers ------------------------------------------------ Equip to coordinate two or more
functions
SU
Optical units--------------------------------------------------- Electro-optical units, such as night
vision, auto-collimator, scope, sight
viewer, tracker, alignment equip
T
Transmitters -------------------------------------------------- Transmitters, all types, except tele-
phone
TA
Telephone apparatus --------------------------------------- Misc telephone equipment
TB
Towed body --------------------------------------------------- Hydrodynamic enclosures used to house
transducers, hydrophones, and other
electronic equipment
TD
Timing devices ----------------------------------------------- Mechanical and elec timing devices,
range devices, multiplexers, elec-
tronic gates
TF
Transformers ------------------------------------------------- When used as separate units
TG
Positioning devices------------------------------------------ Tilt and/or train assys
TH
Telegraph apparatus---------------------------------------- Misc telegraph apparatus
TN
Tuning units --------------------------------------------------- Receiver, transmitter, antenna, tun-
ing units
TR
Transducers -------------------------------------------------- Sonar transducers, vibration pickups
TS
Test units ------------------------------------------------------ Test and measuring equip not
otherwise classified
E-6


 


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