NA 022

DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

Technical rule [CURRENT]

ITU-R M.688-0 ; ITU-R M.688:1990-06
Technical characteristics for a high frequency direct-printing telegraph system for promulgation of high seas and NAVTEX-type maritime safety information

Edition 1990-06
Original language English
Price On Request
Table of contents