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(More customer reviews)First of all, "electronics fan from dallas" doesn't know what he's talking about. WAAS does indeed exist, and the GPS receiver in the Geode is definitely capable of utilizing WAAS to enhance accuracy.
The Geode, although pricey, does appear to be the best GPS module for Visor. It has the fastest time to first fix, a magnetic compass built in, tons of storage space for maps (up to 128 Megs), very nice mapping software, and long battery life (over 20 hours on two AA's).
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The GeoDiscovery Geode GPS Springboard module for Handspring Visor is aninteractive travel guide that easily snaps onto your Handspring Visor. Itincorporates a GPS receiver, a digital compass, and two memory expansion slots.The SiRFstar II-based 12-channel global positioning system receiver has anintegrated antenna that enables the Geode to receive L1 C/A (course acquisition)signals from any of the 24 GPS satellites orbiting the earth. The Geode usesSiRF's FoliageLock technology, which provides a high level of signal sensitivityand performance even in canyons, between buildings, and in dense foliage. Italso incorporates dual multipath rejection that eliminates stray data fromreflected signals. This feature boosts GPS accuracy in many environments wherethe radio signals can bounce off rocks or buildings before reaching the Geode.
Further enhancing the GPS accuracy of the Geode is the implementation of theWide Area Augmentation System (WAAS) developed by the Federal AviationAdministration. It is a geographically expansive augmentation to the basic GPSservice. WAAS improves the accuracy, integrity, and availability of the basicGPS signals to approximately 2 meters in the United States, northern Mexico, andsouthern Canada.
The Geode runs on two AA batteries and includes two MultiMediaCard slots capableof holding at least 64 MB each of storage for maps and trip information.Additionally, it includes a digital compass and a temperature sensor.
The GeoDiscovery software runs on any Handsping Visor with Palm OS version 3.0or higher. The GeoView Mobile software enables users to browse informationlinked to interactive maps and interactive travel guides. It can show you whereyou are on a moving map, provide navigation assistance, and help you bookmarkyour favorite places.
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