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Marine Electronics Advice and Service Along the South Coast

February 21, 2012 | Comments: 0 | Views: 172

Installation

The greatest concentration of leisure marine activity in the UK along the south coast from Poole and Lymington to Southampton and Itchenor is the area of the greatest demand for marine electronics advice and service. The great majority of all today's marine electronic equipment can be installed by the owner. This is a far cry from just a few years ago when radars had complicated fixed-wave guides connecting the antenna to the receiver, when Loran-A's were so temperamental they would sometimes not work when the engine was running and in certain weather conditions, and when the quality of the old AM radio communication was so poor most cruisers did not bother to install one.

But just because you CAN install your own, should you? That depends upon you and your capabilities. If you built your own boat, there is little you can't do. So I'd say go ahead. You have already demonstrated superior technical ability. If you bought the boat off the shelf, so to speak, and have little experience with electronics, then you'd better leave the installation details to an experienced technician. But if you have installed a CB radio or an AM-FM tape deck in your car, you certainly should be able to put one on your boat, too, as well as other similar radio receivers, including GPS, etc. They are really no big deal, as long as you follow the installation instructions very carefully.

Multi-function electronic displays

I would recommend leaving installation of multi-function electronic displays incorporating AIS radar sonar and fishfinders and SSB radio transmitters to the experts, although they can be bought from mail order catalogues for owner-installation. A word to the wise here. Not all mail-order companies are factory-authorised dealers for all the electronic brands they sell. An extremely low price may not turn out to be such a bargain if you are unable to make a claim under warranty. There is a lot to be said for supporting your local marine electronics shops. Their prices may run a little higher (they have sales, too - usually around boat show time), but they will be there to service the equipment when you need them.

Power consumption

Today's electronics are exclusively solid-state, which means very low power consumption. Sailing boats that make extended passages might be concerned with the difference between an 8 watt, (0.75A) navigation receiver and one rated at 15 watts (1.25A). If it runs for several weeks at a time, that can make a difference in the total amphours taken out of the batteries. But for most powerboats and coastal cruisers, the difference is insignificant. The only high-drain devices are radio transmitters, but only while they are transmitting (radar is a transmitter, too). A VHF radio will receive with less than one amp of current, but requires 5 to 6 amps to transmit. The VHF-FM transmitter is limited to 25 watts of output power, but you have to put in 60 to 70 watts to get it. SSB radios put out up to 150 watts of radiated power, so they have to draw about as much current as an anchor windlass while transmitting - 20 to 30 amps! Radars may be rated at several kilowatts of radiated power, but they fire their energy in such short bursts that current drain is only five amps or less for today's models. But you have to consider the total current drain for each and every item that you add to your system - and be sure to make the calculation before you make the purchase.

Along the south coast of the UK, greenham-regis.com offers marine electronics advice and service, multi-function electronic displays, AIS radar, sonar and fishfinders, GPS navigation equipment, marine plotters and electronic charts along the south coast from Poole and Lymington to Southampton and Itchenor.

boatpartsdatabase.com has lots of resources for the boating trade and public alike. The web is a vast source of information. Boatpartsdatabase collects the leisure marine industry into one huge database of contacts. Marine electronics advice and service is offered along the south coast from Poole and Lymington to Southampton and Itchenor by Greenham Regis.

Source: EzineArticles
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