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  2. Marine VHF radio - Wikipedia

    en.wikipedia.org/wiki/Marine_VHF_radio

    Marine VHF radio is a worldwide system of two way radio transceivers on ships and watercraft used for bidirectional voice communication from ship-to-ship, ship-to-shore (for example with harbormasters), and in certain circumstances ship-to-aircraft.

  3. Automatic Transmitter Identification System (marine) - Wikipedia

    en.wikipedia.org/wiki/Automatic_Transmitter...

    Radio transmitter with a label indicating it will identify any transmisssions from it as coming from "PF7297" using the ATIS protocol [1] The Automatic Transmitter Identification System (ATIS) is a marine VHF radio system used and mandated on navigable inland waterways in Europe for identifying the ship or vessel that made a radio transmission.

  4. Automatic identification system - Wikipedia

    en.wikipedia.org/wiki/Automatic_identification...

    Because computer AIS monitoring applications and normal VHF radio transceivers do not possess AIS transceivers, they may be used by shore-based facilities that have no need to transmit or as an inexpensive alternative to a dedicated AIS device for smaller vessels to view local traffic but, of course, the user will remain unseen by other traffic ...

  5. Maritime Mobile Service Identity - Wikipedia

    en.wikipedia.org/wiki/Maritime_Mobile_Service...

    8 Handheld VHF transceiver with DSC and GNSS [3] 9 Devices using a free-form number identity: [2] Search and Rescue Transponders (970yyzzzz) [note 2] [4] [note 3] [5] Man overboard DSC and/or AIS devices (972yyzzzz) [note 2] 406 MHz EPIRBs fitted with an AIS transmitter (974yyzzzz) [note 2] craft associated with a parent ship (98MIDxxxx) [note 4]

  6. List of amateur radio transceivers - Wikipedia

    en.wikipedia.org/wiki/List_of_amateur_radio...

    Retevis RT87 handheld radios. Retevis is the brand of chinese based company Shenzhen Retevis Technology Co., Ltd. headquartered in Shenzhen,China. [40] UHF/VHF radios: Retevis RA89 (7 Watt) Retevis RA685 (5 Watt) Retevis RT87 (5 Watt IP 66) Retevis RT95 (20 Watt mobile radio) Retevis RT3S (5 Watt DMR)

  7. Maritime mobile amateur radio - Wikipedia

    en.wikipedia.org/wiki/Maritime_mobile_amateur_radio

    A handheld amateur VHF radio transceiver ready for "maritime mobile" use on a 28' yacht. For VHF and UHF operation, one option is to mount a small Yagi antenna to a pole 1–2 m (3–6 ft) long and haul this to the masthead using a flag halyard. If the halyard is correctly knotted to the middle and bottom of the pole, it is easy enough to make ...