Description
Small devices that contain a GPS receiver and with the supplied GPS antenna, know exactly where they are. They also have a built in VHF transponder which uses two of the channels we don’t use for voice to broadcast your boats status. If you fully programme the unit it will send your MMSI, Callsign, Type of craft – from leisurecraft to tanker, and your current location and other GPS information. Other craft in the local area will receive this and you appear on their display. Their information is on your display. At the simplest – you can see on a radar-like display all the vessels within range. If you wish you can enter in warnings so that the device will alert you when there is a potential conflict – two courses crossing. It will show your heading and speed once underway, and is a huge aid to safety, making you visible to others, and equally making you aware of the locations of the other local vessels.
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