Switzerland and the Principality of Liechtenstein
Radio Interface Regulation

784.101.21 / RIR08081)
MSS Earth stations

RIR0808-20
MSS Earth stations
1610 - 2010 MHz
Aircraft Earth Stations (AES)
Edition 2.0 / 01.01.2023

Nr Parameter2)DescriptionComments
1Radiocommunication serviceMobile-satellite (Earth-to-space)-
2ApplicationAESAircraft Earth Station (AES) for the Mobile Satellite Service (MSS).
Aeronautical terminal transmitting to the satellite.
3Frequency bandA: 1610.0 - 1645.5 MHz
B: 1646.5 - 1660.5 MHz
C: 1670 - 1675 MHz
D: 1980 - 2010 MHz		Receive frequency bands (space-to-Earth):
1518 - 1559 MHz,
1613.8 - 1626.5 MHz,
2170 - 2200 MHz.
4Channelling--
5Modulation / Occupied bandwidth--
6Direction / Separation--
7Transmit power / Power density--
8Channel access and occupation rules--
9Authorisation regimeSwitzerland: Notification required.
Liechtenstein: General authorisation.		Aircraft radio equipment is listed in the 'Aircraft station license'.
For transmit band 1980 - 2010 MHz: Operation of equipment is restricted to more than 1000 m altitude above ground level.
Terminals must be under the control of a network for which a valid spectrum license for the Swiss territory is required.
In the RX band 1518 - 1525 MHz, MSS shall not claim protection from the fixed service.
10Additional essential requirements--
11Frequency planning assumptionsEN 301 473-
12Planned changes--
13ReferenceEN 301 473 / ECC/DEC/(06)09, ECC/DEC/(04)09 /-Effective use of spectrum / ECC Decisions / ECC Recommendations.
14Notification numberG/TBT/N/CHE/274
2022/9504/CH		-
15RemarksEN 301 489-20. ECC Report 233, ECC Report 171.-

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