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In the US, I do a lot of off-road exploring, mostly in the southwest deserts. When you get home you can also upload your world-wide tracks and waypoints that you acquired on your trip and view them in Google Earth to know exactly where you were and where to post pictures, if you do that. However, it does provide downloadable maps for the GPS so that you have something to display in these non-US areas and something to use on your computer screen when planning the trip. Here I use Garmin's Topo USA 2008 Garmin Mapsource Topo US 2008. Once you locate your places of interest using World Map on your computer, you can click on the "View in Google Earth" and instantly view your waypoints and routes in Google Earth with infinite detail. We do a lot of foreign travel and periodically use a Garmin 60C GPS for understanding where we're going and where we've been.
This is about all the WorldMap does, as it is quite "high level" with only the major roads and towns available. This interactivity with Google Earth saves the day for what otherwise is a pretty limited level of map detail. For example, in 2009 we headed to Nepal and Tibet to do some treking and white-water rafting, in 2008 it was central Africa, in 2006 we explored the ice fields and Fjords of Patagonia. Vise versa, I often use Google Earth to locate detailed GPS coordinates and copy them into my WorldMap software for download to the GPS; this provides a workaround for the low detail and poor accuracy of maps. It has infinite detail, on and off-road, and the same wonderful Google-Earth connectivity. None of these areas had easy to acquire maps, so I bought Garmin's WorldMap to at least provide rudimentary maps of the areas.
Probably my favorite use of the maps is its built-in tie to Google Earth.
And by the way, your PC had better be running XP or Vista. If you have a PC and a MAC, you can convert the maps to be readable on the MAC but you need a PC with internet access to do this. Windows 2000 may work but 98, 98SE do not. It seems that if you need maps for Peru and Ecuador, this is your only choice, The coverage is only so-so and there is little city detail. These maps are locked to the PC and MAC users beware.
well, duh). WorldMap does not really add much to a GPS load above the detail level of the base map.
My two Garmin GPS units are pretty good as the hardware goes. some, yes.
After a few years of use with WorldMap I would have to agree with some of the other reviewers about the dubious accuracy. It does not take much experience to know that this is simply not the case.
As far as the WorldMap program, it's a major disappointment and could get you into trouble. Errors I have found include place names not spelled correctly, locations shown a considerable distance from where they really are, and even wrong road numbers given (using the wrong country road numbering system.
In that last case, the folks who assembled the WorldMap (at least the version that I have) somehow concluded that when you travel from Argentina into Chile (where I live), the Argentine national road number would remain the same in Chile.
Often in Latin America, the roads are incorrectly placed, making marked road tracking difficult. I have not seen additional roadways and would not have purchased if I knew there would be no more road detail. Standard Garmin Quality, which I have come to appreciate. This adds very little detail over the Trip and Waypoint manager basemap. Added are some city names, topo lines, railroad tracks, small waterways, and obscure airports.
I have the US Street map and that works fine and is very accurate, but the World database still needs some tweaking. It can put you on the wrong side of a river or when riding on a train, the depicted track can be 3/4 mile away or more. I use it with the Etrex Vista. I travel internationally and was looking for something that would give me an idea what cities I was over from the air, when riding on commercial transportation. This product does that well from the air, but as I read on several other reviews, on the ground, it can be another story.
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