12 volt supply with very low current consumption. There are several options to choose from. Leave the unit on 24/7 then, when you get on board, just plug in your PC and immediately download the latest weather forecast from your local station, or any other message stored in the PC Navtex Pro's memory. Note - the antenna mount is not included. Down loading is quick and the software provided allows you to select the messages you want. Navtex messages are stored in a vast internal memory for you to dowload when you get on board. It will receive navtex message even without your PC connected. It can be mounted on a cabin roof or rail mounted using an appropriate threaded antenna base. The PC Navtex Pro is a two channel navtex receiver designed to operate on your personal computer. The mushroom shaped antenna is compatible with the Clipper navtex, series 2 Target navtex and with the navtex engine. The net result is that, under adverse conditions, the H-Vector antenna can deliver a significant improvement to navtex reception. As a result it is less sensitive to locally generated interference and, as it does not need a ground, it is not affected by conducted ground interference whether in harbour or at sea. The omnidirectional H-Vector antenna is not sensitive to electric fields but to the magnetic component of the navtex signal. Electrical interference can result in poor reception especially in a marina where the ambient level is high or at sea when poorly suppressed electrical equipment is in use. In most small craft the electrical system acts as an effective ground for the antenna but it can also be a source of interference conducted from other electrical equipment on board. They usually perform well at sea where electrical interference is low but can sometimes be overwhelmed with interference especially when in harbour and connected to shore power. NASA Marine Navtex H Vector Antenna - VECTANTĬonventional navtex antennas respond to the electrical component associated with the navtex radio signal. TrueTTY A program for amateur radio digital communications via a SeaTTY A program to receive weather reports, navigational Vox Maris GMDSS Simulator Vox Maris simulates the functionality of marine radio KShip All Aplications for Ships.
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