Gps Chartplotter
Gps Chartplotter

The Usage of Marine GPS

For some time now, there have been a number of satellites orbiting the earth at a distance of 12,000 miles. They are constantly on the move and orbit our planet every 24 hours. Why do we care? What do they have to do with our every day life? They are known as the GPS satellite network and they are becoming more and more a part of our daily lives. Originally created by the Unites States Department of Defense, this satellite network is still, to this day, overseen by the United States Air Force 50th Space Wing. In March of this year, 2008, the number of satellites were increased from 24 to 38. They have solar panels that are attached to their bodies which power them to travel at 7,000 mph and to help them to stay on course; they use small booster rockets which keep them on the correct orbit and they each orbit the earth in less than 24 hours.

If you are in the market for a GPS, there are three common types available and they are termed navigation, tracking and location. Navigation enables you to literally navigate anywhere, whether you are in the car or on the sea. We have President Ronald Reagan to thank for the GPS because he was responsible in 1983 for allowing the public to access this incredibly valuable satellite network.

It is based upon a simple premise. The GPS sends out a signal and this is intercepted by up to four or more satellites, which then return the signal, pinpointing your exact location. One of the most appreciated uses of the GPS is on the seas. Again, there are choices available, one of the most popular being specific to the waters traveled. Chartplotters and Bluechart g2 have maps of the ocean beds, mostly US based, but which include Alaska and Hawaii.

The GPS is particularly useful for the fisherman because of its ability to map the ocean floors which can change with each storm. The GPS unit will show the difference in depth which is helpful for keeping track of the movements of fish. The best fishermen are watching for the feeding grounds of the shoals of fish, which the waterproof GPS unit will enable you to do. By knowing the various depths of the ocean or lake, the fisherman is able to predict the movement of the fish, remembering that when the weather is cool the fish like to go deep. In the warmer weather, they stay closer to the surface.

One interesting and little known fact relates to the well known science fiction writer, Arthur C. Clarke, author of such famous titles as ‘Childhood’s End’ and The City and the Stars’. He is probably best known for his work with Stanley Kubrick on “2001, A Space Odyssey”. He was born in Somerset, England, now lives in Sri Lanka and is generally considered to be the man who first came up with the idea of the communications satellite, which we now know as the GPS.

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Garmin 010-10082-00 Power/Data Cable


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Garmin GPSMAP 78 Series


Garmin GPSMAP 78 Series



Garmin GPSMAP 78sc. Garmin international is pleased to announce the next generation in marine handhelds: the GPSMAP 78 series. Incorporating a sleek, new design and must-have features, these rugged units are a great fit in Garmin’s best-selling lineup of color marine handhelds and they float! Featuring a bright 2.6-inch LCD color display with built-in basemap and high sensitivity GPS receiver wi…








Humminbird Helix 7 Chirp SI/GPS G2 Combo


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Hardcore sunglasses for the hardest-core saltwater junkies. These Costa Fathom sunglasses’ co-injected, co-molded frames provide the perfect fit with the best polarized lenses on the planet. Bringing maximum comfort and vision on the water, these Costa men’s sport fishing sunglasses are the perfect tool to any Angler who seeks a life on the water….

Garmin GPSMAP 78sc Waterproof Marine GPS and Chartplotter


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Featuring a bright 2.6-Inch LCD color display with built-in basemap and high-sensitivity GPS receiver, the GPSMAP 78 series takes recreational navigation to a whole new level. All three models are waterproof, and include a built-in microSD card slot for loading additional maps and a dedicated MOB (man over board) button….

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Go7 XSE Chartplotter combo with HDI Transom Mount TransducerGO7 XSE Chartplotter A 7-inch display with GPS, CHIRP-enabled Broadband Sounder™, StructureScanr HD, ForwardScan™ Sonar, Wi-Fi & Bluetooth Easy to Use Multi-Touch DisplayThe GO7 XSE offers true ease of use with intuitive touchscreen controls that smartphone and tablet users will find instantly familiar. Tap to create or select waypoin…

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