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The Global Positioning System (GPS) is a satellite-based
navigation system made up of a network of 24 satellites placed into
orbit by
the U.S. Department of Defense. GPS was originally intended for
military applications, but in the 1980s, the government made the
system available for civilian use. GPS works in any weather
conditions,anywhere in the world, 24 hours a day. There in no
subscription fee or setup charge to use GPS.
GPS satellites circle the earth twice a day in a very precise orbit and transmit signal information to earth. GPS receivers take this information and use triangulation to calculate the user’s exact location. Essentially, the GPS receiver compares the time a signal was transmitted by a satellite with the time it was received. The time difference tells the GPS receiver how far away the satellite is. Now, with distance measurements from a few more satellites, the receiver can determine the user’s position and display it on the unit’s electronic map.
A GPS receiver must be locked on to the signal of at least three
satellites to calculate a 2D position (latitude and longitude)
and
track...
Paul: I have been using both the MetroGuide Europe and the Europe Roads and Recreation (Europe R&R) CDs since March of 2002. I can state categorically that they are good and very useful products that chart one’s way quite well in the often-tangled urban jungles of Europe. I have used these products with my GPS V [Americas], from GPSCentral of course, and I should also mention that I have availed myself of all the available GPS V firmware and all of the MapSource software updates (Versions 2.05 and 4.09 respectively as of this writing) since I acquired both items. I would also encourage all GPS users in the community to do the same. These updates are useful and they do augment the capability and performance of your unit. In the case of the GPS V for example, Garmin have added a small “alarm clock” feature as well as a calculator should you need it, and there are many...
GPS Central is a leader in handheld GPS for recreational use. Our knowledge and applications experience can enhance your enjoyment and use of a GPS receiver. Our receivers can do a lot!
Kayaking and canoeing require special considerations, depending on you, like perhaps topographical mapping capabilities, floatability, 2-way radio capacity and car navigation overlay. It’s easy to accomodate these features for your own use!
Whether it’s paddling lakes, rivers, rapids, sea and coast or for long journeys, a GPS is a useful travel companion. Worldwide mapping (for street, topography, ocean charts) is available in our stock and by Special Order. And GPS Central can offer expertise and friendly advice.
The Atlantic Highway basemap includes Europe, extreme western Russia, Africa, and the Middle East, and covers an area from N75 to S60 Latitude, W30 to E60 Longitude. Also included is a high-level worldwide map with political boundaries and major cities.
This basemap comes factory installed in these units sold only within the coverage area shown above: GPSMAP 295, GPSMAP 76, GPSMAP 76S, 176/176C, GPS III Plus, GPS 12MAP, StreetPilot ColorMap, eMap, Nav Talk, Nav Talk Pilot, eTrex Legend, eTrex Vista, and Rino models. GPS Central is not able to supply units with the Atlantic basemap.
Please note: GARMIN mapping units come with built-in, permanent basemaps that cannot be altered. These basemaps come in a variety of global designations (e.g. Americas basemap, Atlantic basemap, Pacific basemap).Units with the Americas basemap are supplied by GARMIN only to dealers in the Americas; Atlantic basemap models can only be purchased from dealers within the detailed coverage of that basemap, and likewise for Pacific basemap models. Factory-installed basemaps cannot be altered.
The standard map...