UNE-EN 302454-2 V1.2.1:2016
Meteorological Aids (Met Aids); Radiosondes to be used in the 1 668,4 MHz to 1 690 MHz frequency range; Part 2: Harmonised Standard covering the essential requirements of article 3.2 of the Directive 2014/53/EU (Endorsed by AENOR in December of 2016.)