AN/SGA-1 Teletype Ancillary Equipment

This is off-line, Teletype ancillary equipment for use with classified communications equipment. It consists of a XMTR DISTR, Rack, MT-1679/SGA-1, CSP-2699, Switching Unit, CSP-3333, Power Supply, CSP-3334, TTY TT-69A/UG, REPERF TT-159/FG, Mixing REPEATER Unit SSM-3, XMTR DISTR TT-57/UG.

1) Nick England <>

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Feb 26/15