The present document specifies technical characteristics and methods of measurements for digitally modulated
radiosondes operating in the range from 400,15 MHz to 406 MHz and with power levels ranging up to 200 mW.
NOTE 1: The present document does not cover radiosondes with an imbedded receiver.
NOTE 2: The relationship between the present document and essential requirements of article 3.2 of
Directive 2014/53/EU [i.1] is given in annex A.