DIN EN 302454:2018-11
Действует
Meteorological Aids (Met Aids) - Radiosondes to be used in the 1 668,4 MHz to 1 690 MHz frequency range - Harmonised Standard for access to radio spectrum (Endorsement of the English version EN 302 454 V2.2.1 (2018-08) as a German standard)
— 2 стр.
