I picked up a new Pharos iGPS-500 GPS Receiver from Newegg.com earlier this week for under 60 bones. When I opened it up, found out exactly how absolutely TINY it is. The “Actual Size” denotation on the box is slightly misleading fraudulent. Although the GPS portion of the device is small, the USB to serial adapter that plugs into the GPS unit doubles the “Actual Size in Real Life,” that the marketing droids happily ignored.
That minor quibble aside, I don’t really care how big it is. It could be the size of a banana phone and I would still use it - as long as it was able to find my current location and do it quickly. This USB GPS unit claims to be one of the fastest GPS units out there, sporting the new Sirf III (or SiRFstar III) chipset.
According to Wikipedia the Sirf III chipset inside this Pharos iGPS-500 is capable of acquiring and maintaining a signal lock in urban or densely covered forest environments. This is great news for me personally, since I’m always lugging around a laptop when I go hiking in the forest.
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http://www.fsckin.com/2008/04/06/review-four-linux-gps-packages/