Appendix X— AN NOMENCLATURE SYSTEM 



Part 1.— Equipment indicator letters— Continued 



Installation 



Type of equipment 



Purpose 



V- 



-Ground, vehicular 

 (installed in vehicle 



S- 



-Special types (magnetic, 

 etc . ) or combination of 



T- 



- Transmitting. 





designed for functions 





types. 



W- 



-Automatic flight or remote 





other than carrying 









control. 





electronic equipment, 



T- 



-Telephone (wire). 









such as tanks). 



V- 



-Visual and visible lights. 



X- 



-Identification and recognition. 



vV 



-Water, surface and 













undersurface. 



W- 

 X- 



-Armament (peculiar to 

 armament, not otherwise 

 covered). 



-Facsimile or television. 







Part 2— Component indicators. 



Component 

 indicator 



Family name 



Definition of example (not to be construed as limiting the 

 application of the component indicator) 



AM 



Amplifiers 



Power, audio, interphone, radiofrequency, video, etc. 



AT 



Antenna 



Simple: ship or telescopic, loop, dipole, reflector, also 

 transducer, etc. 



BA 



Battery, primary 

 type 



Batteries, battery packs, etc. 



BB 



Battery, secondary 

 type 



Storage batteries, battery packs, etc. 



C 



Controls 



Control box, remote tuning control, etc. 



CP 



Computers 



A mechanical and/or electronic mathematical calculating 

 device. 



CV 



Converters 

 (electronic) 



Electronic apparatus for changing phase or frequency, or 

 from one medium to another . 



FR 



Frequency 

 measuring 

 devices 



Frequency meters, echo boxes, etc. 



G 



Generators 



Electrical power generators without prime movers.! 



439 



