[Milsurplus] What they for? US/D

Rob Flory robandpj at earthlink.net
Thu Feb 19 14:58:58 EST 2009


The US/D Nancy system is a modulated infrared communications system for sending Morse at higher speeds than blinking light systems could.  The sensitivity test plugs take the place of the photocell in the receiver unit to allow a check of the receiver.  The transmitting unit uses a discharge tube.

Rob Flory


More information about the Milsurplus mailing list