GPS for Dummies.pdf - Engineering Surveyor

112Part II: All About GPSFigure 6-2:A NavmanGPSreceiversleeve thatslides on tothe back ofa PDA.Bluetooth GPS receiversIf your PDA supports Bluetooth (a wireless communication standard; www.bluetooth.com), you have yet another GPS receiver option. Bluetooth GPSreceivers are pretty slick because they don’t Rely on the PDA’s batteries for powerThey have their own power source and will run from 6–10 hours whenfully charged, depending on the model. Use up one of the PDA’s expansion slots Need cables that can get all tangled upBluetooth devices have about a 30-foot range, and the GPS receiver canbe placed in an optimal position on the dashboard to receive satellitesignals.Just place your Bluetooth GPS receiver (about the size of a mouse GPSreceiver) anywhere with an open view of the sky, and it will broadcast GPSdata to your Bluetooth-enabled PDA. (If you have an older PDA that doesn’tsupport Bluetooth, there are Bluetooth receivers that plug into your PDA’smemory card slot.)Many of the companies that manufacture GPS receiver cards, listed previously,also make Bluetooth GPS receivers. Some other companies that offerBluetooth receivers include