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Revision as of 15:37, 29 June 2020
Contents
Overview
In the Joint Electronics Type Designation System (JETDS) system, complete equipment sets or systems are designated with a sequence of letters and digits prefixed by AN/, then three letters, a hyphen, a number, and (occasionally) some optional letters (AN/AAA-nnn suffixed by (Vn)- hardware/software version} or (T){training equipment} . The three letters tell where the equipment is used, what it does and its purpose. For example, the AN/PRC-77 is a Portable Radio used for two way Communications. The numbers for any given type of equipment are assigned sequentially, thus higher numbers indicate more modern systems.
The designation indicators are based on "Equipment", "Groups" and "Units". These designators are used to describe what the equipment is and what it is used for.
Sets or Equipment
Equipment Indicator Example:
The following is an example of a set of equipment system, the full chart of definitions can be found at Set or Equipment Indicator Letters below.
- AN/VRC-12
- AN = Designates that this device is categorized by the JETDS system
- V = Ground Vehicular
- R = Radio
- C = Communications
- 12 = Model Number
Groups
Electronic Systems can be also organized into groups, these groups are classified by a two letter prefix indicating the purpose of the group. The chart below Group Indicators defines these prefixes.
Group Indicator Example
- OE-254/VRC
- OE = Antenna groups
Equipment indicator letters that follow the forward slash indicate the potential of the group for multiple or peculiar application use. For example: OE-254/VRC indicates an antenna group (OE) for Ground Vehicular Radio Communications (VRC). Equipment indicators with a specific model number, Example "OK-450/TRC-26" are used to indicate that the item can only be used with that specific equipment (e.g., AN/TRC-26) with no known potential for other use.
Units
Military Component items can be identified by looking that the nomenclature prefix. These codes can be looked up in the chart below Unit Indicators to determine what they are.
Unit indicators Example
- LS-671 = Speaker
- H-250 = Head, hand, and chest sets
- TA-312 = Telephone apparatus
Set or Equipment Indicator Letters
Radio Numbering Designations | |
---|---|
SEC | DEF |
AN |
|
V |
|
R |
|
C |
|
12 |
|
Group Indicators
Radio Numbering Designations | |
---|---|
Indicator | Family Name |
OA | Miscellaneous groups |
OB | Multiplexer and/or demultiplexer groups |
OD | Indicator groups |
OE | Antenna groups |
OF | Adapter groups |
OG | Amplifier groups |
OH | Simulator groups |
OJ | Consoles and console groups |
OK | Control groups |
OL | Data analysis and data processing groups |
OM | Modulator and/or demodulator groups |
ON | Interconnecting groups |
OP | Power supply groups |
OQ | Test set groups |
OR | Receiver groups |
OT | Transmitter groups |
OU | Converter groups |
OV | Generator groups |
OW | Terminal groups |
OX | Coder, decoder, interrogator, transponder groups |
OY | Radar set groups |
OZ | Radio set groups |
Unit Indicators
Radio Unit Indicators | |
---|---|
Indicator | Family Name |
AB | Supports, antenna. (AB - Antenna Base) |
AM | Amplifiers (AM - Amplifiers) |
AS | Antennas, complex and simple. (AS - Antenna Systems) |
AT | Antennas, simple. (AT - Antenna Tip) |
BA | Batteries, primary type. (BA - Batteries) |
BB | Batteries, secondary type. (BB - Storage Batteries) |
BZ | Alarm units |
C | Controls, (C - Control) |
CA | Commutator assemblies, sonar |
CB | Capacitor banks |
CC | Cable Assembly, RF |
CD | Controlling Device |
CG | Cable assemblies, RF |
CK | Crystal kits |
CM | Comparators |
CN | Compensators |
CP | Computers |
CR | Crystals |
CU | Couplers |
CV | Converters |
CW | Radomes |
CX | Cable assemblies, non-RF |
CY | Cases and cabinets, (CY - Case) |
D | Dispensers |
DA | Loads, dummy |
DI | Data Transmission Device |
DT | Detecting heads |
DU | Display Unit/Monitor |
DY | Dynamotors (DY- Dynamotor) |
E | Hoists |
F | Filter units |
FN | Furnitures |
FO | Fiber Optics Device |
FR | Frequency-measuring devices |
G | Generators, power, (G - Power Generator) |
GO | Goniometers |
GP | Ground rods. (GP - Ground Pins) |
H | Head, hand, and chest set, (H - Handset) |
HC | Crystal holders |
HD | Environmental apparatus (heating, cooling, etc. |
ID | Indicators, (ID - Indicators), non-cathode-ray tube |
IL | Insulators |
IM | Intensity-measuring devices |
IP | Indicators, cathode-ray tubes, (IP - Indicator Unit (cathode ray tube)) |
J | Interface units, (J - Interface Units) |
KG | Key Generator |
KY | Keying devices |
LA | Laser |
LC | Tools, line-construction, (LC - Line Construction) |
LM | Lamp. (LM - Lamp) |
LS | Loudspeakers, (LS - Loud Speaker) |
M | Microphones, (M - Microphones) |
MA | Magazines |
MD | Modulators, demodulators, discriminators |
ME | Meters, (M - Meters) |
MF | Magnets or magnetic-field generators |
MK | Miscellaneous kits |
ML | Meteorological devices, (ML - Meteorology) |
MO | Multipurpose Unit, (MO - Multipurpose Unit) |
MT | Mountings, (MT - Mount) |
MU | Memory units |
MW | Microwave Device |
MX | Miscellaneous, (MX - Miscellaneous) |
O | Oscillators |
OC | Oceanographic devices |
OS | Oscilloscopes, test |
PD | Prime drivers |
PF | Fittings, pole |
PG | Pigeon articles, (PG - Pigeon) |
PH | Photographic articles, (PH - Photographic) |
PL | Plug-in units, (PL - Plug) |
PP | Power supplies, (PP - Power pack) |
PT | Mapping and plotting units |
PU | Power equipments, (PU - Power Unit) |
R | Receivers, (R - Receiver) |
RB | Robotics |
RC | Reels |
RD | Recorder-reproducers, (RD - Recorders) |
RE | Relay assemblies |
RF | RF components |
RG | Cables, RF bulk |
RL | Reeling machines, (RL - Reel) |
RO | Recorders |
RP | Reproducers |
RR | Reflectors |
RT | Receivers and transmitters, (RT - Receiver Transmitter) |
S | Shelters, (S - Shelter) |
SA | Switching units |
SB | Switchboards. (SB - Switchboards) |
SG | Generators, signal |
SM | Simulators |
SN | Synchronizers |
SS | Special Purpose Device |
ST | Straps, (ST - Strap) |
SU | Optical devices |
SY | Secure Speech Device |
T | Transmitters, (T - Transmitter) |
TA | Telephone apparatus, (TA - Telephone Apparatus) |
TB | Towed bodies |
TC | Towed cables |
TD | Timing devices |
TF | Transformers |
TG | Positioning devices |
TH | Telegraph apparatus, (TH - Telegraph apparatus) |
TK | Tool kits, (TK - Tool Kit) |
TL | Tools, (TL - Tools) |
TN | Tuning units |
TR | Transducers |
TS | Test sets, (TS - Test Sets) |
TT | Teletypewriters and facsimile apparatus, (TT - Teletype) |
TV | Testers, tube |
TW | Tape units |
U | Connectors, audio and power |
UG | Connectors, RF |
V | Vehicles, (V - vehicles) |
VS | Signaling equipment, visual |
WD | Cables, two-conductor |
WF | Cables, four-conductor |
WM | Cables, multiple-conductor |
WS | Cables, single-conductor |
WT | Cables, three-conductor |
ZM | Impedance-measuring devices |
Major Index
Airborne
- A - Piloted Aircraft
- Airborne Intercom Communication
- Airborne Radar fire control
- Airborne Radar Search
- Airborne Radar Transmitter
- Airborne Radar Navigation
- Airborne Radar Receiver
- Airborne Radio Auxiliary
- Airborne Radio Communication
- Airborne Radio Navigation
- Airborne Radio W control
- Airborne Special Maintenance
- Airborne special special
underwater
- B - Underwater Mobile (submarine)
Air Transportable
- C - original
Cryptographic
- C - Cryptographic Equipment (NSA use only) (was Air Transportable)
- air-transportable Radar Identification
- air-transportable Radar Search
- air-transportable Radar Navigation
- air transportable Radio Communication
- air-transportable Radio Direction
- air transportable Radio Navigation
Drone
- D - Pilotless Carrier (drone, UAV)
Fixed
- F - Fixed Ground
- Fixed Radar Search
- Fixed Radar Navigation
- Fixed Radio Communication
- Fixed Radio Navigation
- Fixed Radio Receiver
- Fixed Radio Transmitter
- Fixed Special special
- Fixed Telegraph Communication
- Fixed Telephone Communication
Ground
- G - General Ground Use
- Ground Radar fire control
- Ground Radar Search
- Ground Radar Navigation
- Ground Radio Accessory
- Ground Radio Communication
- Ground Radio Navigation
- Ground Radio Receiver
- Ground Radio Transmitter
- Ground Special fire control
- Ground Special Search
- Ground Special special
- Ground Telegraph Communication
- Ground Telephone Accessory
- Ground Telephone Communications
Amphibious
- K - Amphibious
Mobile
- M - Ground Mobile
- Mobile electromechanical special, (power plants)
- Mobile Radar fire control
- Mobile Radar Search
- Mobile Radar Maintenance
- Mobile Radar Navigation
- Mobile Radar Special
- Mobile Radio Communication
- Mobile Radio Navigation
- Mobile Radio Receiver
- Mobile Radio Transmitter
- Mobile Special Communication
- Mobile Special fire control
- Mobile Special special
- Mobile Telegraph Communication
- Mobile Telephone Communication
Portable
- P - Human Portable
- Portable Radar Search
- Portable Radar Navigation
- Portable Radiac Receiver
- Portable Radio Communication
- Portable Radio Direction
- Portable Radio Navigation
- Portable Radio Search
- Portable Visual Search
Seaborne
- S - Water (surface ship)
- Seaborne Intercom communication
- Seaborne Radar Accessory
- Seaborne Radar fire control
- Seaborne Radar Navigation
- Seaborne Radar Search
- Seaborne Radio Communication
Transportable
- T - Transportable (ground)
- Transportable Carrier Communication
- Transportable Interphone special
- Transportable Radar fire control
- Transportable Radar Search
- Transportable Radar Searchlight control, only one designator before dropped, AN~TPL-1.
- Transportable Radar special
- Transportable Radar Navigation
- Transportable Radar identification
- Transportable Radio Communication
- Transportable Radio Direction
- Transportable Radio Navigation
- Transportable Radio Receiver
- Transportable Radio Transmitter
- Transportable Special Communication
- Transportable Special Maintenance
- Transportable Special special
- Transportable Telegraph Communication
- Transportable Telephone Communication
- Transportable Visual Search
- TYA - Transportable data processing Auxiliary Assembly
- TYQ - Transportable data processing Special
Utility
- U - General Utility/Universal (multi use)
- Utility Intercom Communication
- Utility Radar Accessory
- Utility Radar Maintenance
- Utility Radar Navigation
- Utility Radio Communication
- Utility Radio Maintenance
- Utility Radio Receiver
- Utility Radio Transmitter
Vehicle
- V - Vehicle (ground)
- Vehicle Intercom Communication
- Vehicle Radar Search
- Vehicle Radio Communication
- Vehicle Radio Search
Water
- W - Water Surface and Underwater combined
Aircraft
- Z - Piloted/Pilotless Airborne vehicles combined