GPS for Dummies.pdf - Engineering Surveyor

180Part III: Digital Mapping on Your ComputerIf you use a Garmin GPS receiver and are interestedin seeing what maps from the different mapproducts look like — or to check out the amountof detail and coverage for certain areas — visitwww.garmin.com/cartography and checkout the MapSource Map Viewer.Choose any of Garmin’s map products from adrop-down list, and the selected map is shownin your Web browser. After the map is displayed,you can move around the map and zoomin and out. What you see on your PC monitor isMapSource on the Webwhat you can generally expect to see on yourGPS receiver if you upload that particular mapproduct. Remember that your GPS receiverscreen is smaller; and, if it doesn’t support color,the map will be displayed in monochrome.Even if you don’t use a Garmin GPS receiver, thisWeb site is useful for getting a better idea of thetypes of maps that are available for GPSreceivers, their general appearance, and whatinformation they show.