Switzerland and the Principality of Liechtenstein
Radio Interface Regulation

784.101.21 / RIR01021)
Aeronautical navigation

RIR0102-07
GBAS
108 - 117.975 MHz
Ground Based Augmentation System (GBAS)
Edition 1.0 / 01.05.2020

Nr Parameter2)DescriptionComments
1Radiocommunication serviceAeronautical radionavigation-
2ApplicationGBASGround Based Augmentation System (GBAS)
3Frequency band108 - 117.975 MHzAssignments from 108.025 to 117.950 MHz.
4Channelling25 kHz-
5Modulation / Occupied bandwidthD8PSK /--
6Direction / Separation--
7Transmit power / Power densityAccording ICAO Annex 10, Volume I, chapter 3.7-
8Channel access and occupation rulesTDMA-
9Authorisation regimeSwitzerland: License required.
Liechtenstein: Individual assignment required.
-
10Additional essential requirements--
11Frequency planning assumptionsEN 303 084, ICAO Annex 10, Volume V, ICAO EUR Doc 011.-
12Planned changes--
13ReferenceEN 303 084 /-/-.Effective use of spectrum / ECC Decisions / ECC Recommendations.
14Notification numberG/TBT/N/CHE/242
2020/9501/CH
-
15RemarksICAO Annex 10, Volume I and 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