Switzerland and the Principality of Liechtenstein
Radio Interface Regulation

784.101.21 / RIR07021)
Sondes

RIR0702-02
Sondes
400.15 - 405.9 MHz
Max. 320 mW e.r.p.
Edition 4.0 / 01.08.2018

Nr Parameter2)DescriptionComments
1Radiocommunication serviceMeteorological aids-
2ApplicationSondesType B, digital
3Frequency band400.15 - 405.90 MHz-
4Channelling-Typical 200 kHz
5Modulation / Occupied bandwidthGMSK / Max. 200 kHz occupied bandwidth (-40 dBc) with GPS data.Frequency drift in flight: max. +/- 20 kHz
6Direction / Separation--
7Transmit power / Power densityMax. 320 mW e.r.p.Max. -48 dBc out of band emissions.
8Channel access and occupation rules--
9Authorisation regimeSwitzerland: License required.
Liechtenstein: Individual assignment required.		-
10Additional essential requirements--
11Frequency planning assumptionsITU-R RS.1165-
12Planned changes--
13Reference-/-/-.Effective use of spectrum / ECC Decisions / ECC Recommendations.
14Notification numberG/TBT/N/CHE/216
2017/9503/CH		-
15RemarksEN 301 489-3. ITU-R RS.1165.-

Normative part: 1 to 11
Informative part: Nr 12 to 15

1) RIR for similar and/or other applications are available under: https://www.bakom.admin.ch/bakom/en/home/frequenzen-antennen/nationaler-frequenzzuweisungsplan/schnittstellen-anforderungen.html
2) For explanations and legal status, please refer to basis document 784.101.21 / RIR0000