Switzerland and the Principality of Liechtenstein
Radio Interface Regulation

784.101.21 / RIR06031)
Maritime communications

Inland waterway communications
156 - 174 MHz
Edition 5.0 / 01.08.2018

Nr Parameter2)DescriptionComments
1Radiocommunication serviceMaritime mobile-
2ApplicationInland waterway communicationsMaritime communications on inland waterways with ATIS. (Automatic Transmitter Identification System)
3Frequency band156 - 174 MHzChannel numbers and frequencies according to Regional Arrangement concerning the Radiotelephone Service on Inland Waterways, Basel, 6 April 2000.
4Channelling25 kHzPortable equipment with 12.5/25 kHz channel spacing shall be operated in the 25 kHz mode.
5Modulation / Occupied bandwidthG3E, G2B-
6Direction / Separation--
7Transmit power / Power densityMax. 25 W (On-board equipment)
Max. 1 W e.r.p. (Portable equipment)
Output power of on-board equipment: 6 to 25 W.
Output power of portable equipment: max. 6 W
The on-board equipment shall allow the operation with max. 1W output power for ship-to-ship, ship-to-port-authorities and on-board communications.
8Channel access and occupation rules--
9Authorisation regimeA Ship Station Licence is mandatory.A radio operator's certificate for the radiotelephone service on Inland Waterways is required.
10Additional essential requirementsEN 300 698Regional Arrangement concerning the Radiotelephone Service on Inland Waterways; Basel, 6 April 2000.
Commission Decision 2000/637/EG.
See also SR 784.101.21, VFAV, Anhang 1.
11Frequency planning assumptionsVertically polarized antenna.On-board equipment shall use vertically polarized antenna, providing a gain of -3.0 to 1.5 dBd and omnidirectional radiation pattern.
Refer to the Regional Arrangement concerning the Radiotelephone Service on Inland Waterways, Basel, 6 April 2000.
12Planned changes--
13ReferenceEN 300 698, EN 301 178 /-/-.Effective use of spectrum / ECC Decisions / ECC Recommendations.
14Notification numberG/TBT/N/CHE/102
15RemarksEN 60945.-

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