GPS for Dummies.pdf - Engineering Surveyor

Chapter 6: Using GPS with a PDA111EarthproGPSFigure 6-1:A mouseGPSreceiver, onthe left,is smallerthan handheldGPSreceivers.Some of the main GPS receiver card manufacturers (and their Web sites) are Deluo: www.deluo.com Fortuna: www.fortuna.com.tw Haicom: www.haicom.com.tw Holux: www.holux.com Pharos: www.pharos.comGPS receiver sleevesCertain models of iPAQ Pocket PCs and Palm OS PDAs have a proprietaryexpansion slot into which you can plug hardware devices. These add-onpieces of hardware are often called sleeves because they fit around the PDA.See a GPS receiver sleeve in Figure 6-2.The same advantages and disadvantages found with GPS receiver cards(they’re convenient but can run down the PDA’s battery quickly) also applyto GPS sleeves. Additionally, a sleeve adds a lot of bulk to the size of a normallyslim PDA.The main producer of Pocket PC and Palm sleeves is Navman. Expect tospend around $200–$250 for a GPS sleeve. Find more about these productsat www.navman.com.