Frequencies of river channels. Frequency grid of river channels. Glossary of radio communication terms and abbreviations

• Channel 5 – for vessel calls, maneuver coordination, and distress signals.
• Channel 2 – for communication between vessels.
• Channel 3 – for communication with lock dispatchers.
• Channel 4 – for communication with other river fleet services.
• Channels 25 and 43 – for communication between yachts.

About River Channels:

1. Frequency assignment must comply with the State Commission for Radio Frequencies (GKRCH) decision dated 27.04.98 (protocol 6/3), coordinated with the military district headquarters, and within the Moscow Military District with military unit 52686.

300.025 MHz (Channel 41) – Used simplex for river fleet radio stations for intra-vessel communication; radio telephone support for repair and operational bases, port and roadstead areas; used by land and mobile radio stations of the Russian Ministry of Transport River Fleet Service. Duplex channel (336.025 MHz) is organized for radiotelephone communication of hydro-structures, hydro complexes, and technical route sections.

300.050 MHz (Channel 2) – Used simplex for river fleet radio stations to transmit meteorological and route information on internal waterways; used by land and mobile stations of the Russian Ministry of Transport River Fleet Service. Weather forecasts are listened to on this channel.

300.075 MHz (Channel 42) – Used simplex for river fleet radio stations for communication between small vessels; radio telephone support for repair and operational bases, port and roadstead areas; used by land and mobile radio stations of the Russian Ministry of Transport River Fleet Service. Duplex channel (336.075 MHz) serves hydro-structures, hydro complexes, and technical route sections. This is our frequency! Captains of large vessels often chat on this frequency.

300.100 MHz (Channel 3) – Used simplex for river fleet radio stations for navigation support and traffic management by river ports, locks, semaphore posts, etc.; used by land and mobile stations of the Russian Ministry of Transport River Fleet Service. Frequency used by lock and channel dispatchers.

300.125 MHz (Channel 43) – Used simplex for river fleet radio stations for communication between vessels; radio telephone support for repair and operational bases, port and roadstead areas; used by land and mobile radio stations of the Russian Ministry of Transport River Fleet Service. Duplex channel (336.125 MHz) is organized for hydro-structures, hydro complexes, and technical route sections. Channel specially allocated for yacht communication.

300.150 MHz (Channel 4) – Used simplex for river fleet radio stations for dispatcher communication servicing the fleet comprehensively; used by land and mobile stations of the Russian Ministry of Transport River Fleet Service.

300.200 MHz (Channel 5) – Distress, safety, and call frequency used simplex for radiotelephone communication on internal waterways. This is the primary calling channel used by all river vessels in standby mode for ship-to-ship negotiations on passing and maneuvering.

300.250 MHz (Channel 6) – Used by river fleet ship radio stations for dispatcher communication with land stations of the Russian Ministry of Transport River Fleet Service and mobile stations of all ownership forms; duplex operation paired with 336.250 MHz for shore stations.

300.275 (Channel 46), 300.300 (7), 300.325 (47), 300.350 (8), 300.375 (48), 300.400 (9), 300.425 (49), 300.450 (10), 300.475 (50), 300.500 (11) MHz – Duplex frequencies paired with 336.275; 336.300; 336.325; 336.350; 336.375; 336.400; 336.425; 336.450; 336.475; 336.500 MHz, intended for river fleet radio stations. Duplex mode requires radiotelephone; normal radios only listen. Used in the communication system of the Russian Ministry of Transport River Fleet Service for communication between radio subscribers and departmental communication network subscribers and between radio subscribers themselves.

336.025 MHz (Channel 61) – Used simplex for river fleet radio stations for technological communication in cargo ports, shipbuilding, and repair yards; used by land and mobile stations of the Russian Ministry of Transport River Fleet Service. Duplex channel (300.025 MHz) organized for hydro-structures, hydro complexes, and technical route sections.

336.050 MHz (Channel 22) – Used simplex for river fleet radio stations for dispatcher communication in ports and cargo areas of the Russian Ministry of Transport River Fleet Service; may be used by land and mobile stations.

336.075 MHz (Channel 62) – Used simplex for river fleet radio stations for technological communication in passenger ports and piers; duplex channel (300.075 MHz) for hydro-structures, hydro complexes, and technical route sections.

336.100 MHz (Channel 23) – Used simplex for river fleet radio stations for dispatcher communication in passenger ports and piers; used by land and mobile stations of the Russian Ministry of Transport River Fleet Service.

336.125 MHz (Channel 63) – Intended for duplex radiotelephone communication channel (300.125 MHz) for hydro-structures and fleet operational bases.

336.150 MHz (Channel 24) – Used simplex for river fleet radio stations for technological communication between land and mobile stations of shipping companies outside the Ministry of Transport system under electromagnetic compatibility assurance.

336.175 MHz (Channel 64) – Used simplex for river fleet radio stations for communication with security posts of hydro complexes, ports, and ship repair enterprises.

336.200 MHz (Channel 25) – Used simplex for river fleet radio stations for technological communication between land and mobile stations of shipping companies outside the Ministry of Transport system under electromagnetic compatibility assurance. Channel specially allocated for yacht communication.

336.225 MHz (Channel 65) – Used simplex for river fleet radio stations for communication with security posts of hydro complexes, ports, and ship repair enterprises.

336.250 MHz (Channel 26) – Intended for shore station transmitters of the river fleet for dispatcher communication with land and mobile stations of the Russian Ministry of Transport River Fleet Service; duplex operation paired with 300.250 MHz for ship radios.

336.275 (Channel 66), 336.300 (27), 336.325 (67), 336.350 (28), 336.375 (68), 336.400 (29), 336.425 (69), 336.450 (30), 336.475 (70), 336.500 (31) MHz – Duplex frequencies paired with 300.275; 300.300; 300.325; 300.350; 300.375; 300.400; 300.425; 300.450; 300.475; 300.500 MHz, used for river fleet radio stations. Used in the Russian Ministry of Transport River Fleet Service communication system for connecting radio subscribers with departmental telecommunication network subscribers and between radio subscribers. * For duplex communication, radios supporting two receivers simultaneously can be used.

Marine Channel Frequencies, Radio Frequency Spectrum
List of Shore Radio Stations and Their Schedules for Waterways of the Unified Deepwater System of the European Part of the Russian Federation
Radio Communication Rules on Internal Waterways of the Russian Federation