Switzerland and the Principality of Liechtenstein
Radio Interface Regulation

784.101.21 / RIR01021)
Aeronautical navigation

960 - 1215 MHz
DME ground equipment
Edition 4.1 / 01.01.2021

Nr Parameter2)DescriptionComments
1Radiocommunication serviceAeronautical radionavigation-
2ApplicationDMEDistance Measuring Equipment
3Frequency band960 - 1215 MHz-
4Channelling1 MHz-
5Modulation / Occupied bandwidth--
6Direction / Separation63 MHz-
7Transmit power / Power densityMax. 1 kW peak (en route transponder)
Max. 100 W peak (terminal transponder)
Max. 80 W peak (DME/P transponder)
DME/P = DME Precious (not used in Switzerland and Liechtenstein)
8Channel access and occupation rules--
9Authorisation regimeSwitzerland:
Ground Based equipment: License required.
Aircraft equipment: Notification required.
Liechtenstein: Individual assignment required.
Aircraft radio equipment is listed in the 'Aircraft station license'.
10Additional essential requirements--
11Frequency planning assumptionsICAO Annex 10, Volume I and Volume V-
12Planned changes--
13Reference-/-/-.Effective use of spectrum / ECC Decisions / ECC Recommendations.
14Notification numberG/TBT/N/CHE/102
15RemarksEurocae ED57, ICAO Annex 10, Volume I and Volume V, ICAO EUR Doc 011.-

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