Radiosonde Transmitter Standardization in Europe. Ilkka Ikonen Vaisala Oyj Geneva 2006-03-20 – WMO Workshop on Frequencies. Legal issues.
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Geneva 2006-03-20 – WMO Workshop on Frequencies
R&TTE Directive 1999/5, of the Article 3, point2 reads:
2. In addition, radio equipment shall be so constructed that it effectively uses the spectrum allocated to terrestrial/space radio communications and orbital resources so to avoid harmful interference
This is in accordance with ITU and WMO incentives to improve spectral usage of radiosondes.
(ERM = Electromagnetic compatibility and Radio spectrum Matters)
Standardization of the 400 MHz transmitter
Standardization of the 1680 MHz transmitter