Switzerland and the Principality of Liechtenstein
Radio Interface Regulation

784.101.21 / RIR01021)
Aeronautical navigation

RIR0102-06
Beacons (aeronautical)
74.800 - 75.200 MHz
Marker
Edition 4.1 / 01.01.2021

Nr Parameter2)DescriptionComments
1Radiocommunication serviceAeronautical radionavigation-
2ApplicationBeacons (aeronautical)Marker
3Frequency band74.800 - 75.200 MHz-
4Channelling--
5Modulation / Occupied bandwidthAMDifferential Phase Shift Keying
6Direction / Separation--
7Transmit power / Power densityAccording ICAO Annex 10, Volume I, chapter 3.1 / 3.6-
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-
12Planned changes--
13Reference-/-/-.Effective use of spectrum / ECC Decisions / ECC Recommendations.
14Notification numberG/TBT/N/CHE/102
2008/9503/CH		-
15RemarksICAO Annex 10, Volume I, ICAO EUR Doc 011.Currently not in use for distance indication in Switzerland for specific NAV landing purposes; i.e. ILS installations are co-located with DME's only.

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