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Indoor/Outdoor Geolocation
Works Where GPS and Cellular Positioning Fail

  New Geolocation Technology 

    Demonstration System 

SafeLink™ is a revolutionary wireless geolocation system that uses existing commercial broadcast signals as position references.  Coverage is far more pervasive than that of GPS-based products. 

Thousands of times stronger than GPS and cellular signals, local commercial broadcasts operate at power levels and frequencies ideal for penetrating the indoor and urban spaces where most people spend most of their time on a daily basis. 

With its superior structure penetration properties and three-axis resolution, SafeLink can distinguish individual floors and rooms within buildings throughout metropolitan areas worldwide.  Height optionally is reported relative to local ground level, a more useful metric than height above sea level.

Applications include concealed locator modules for people, and embedded two-way security chipsets for consumer devices.  Safelink's embedded locator chipsets can't be defeated, and its pervasive indoor and urban area coverage can't be evaded.

SafeLink subscribers access their security services online and by telephone.  Locations are reported by computer voice in street address format.

SafeLink's patented design is based on our state-of-the-art aerospace technology, high-tech product expertise, and consultancy services as a contributor on the Space Shuttle and other NASA programs.

With SafeLink, protected persons and products "can't be lost" and are accurately locatable  anywhere, even indoors.  Such blanket security has not been available until today, and one can think of few needs more important to our society.

 
 

Demo Locator Coordinates

 

LAT      LON      HGT*

Notes:

If 21515 Vanowen St is shown, the Locator is inside the concrete Abacus Corp. headquarters building shown here.  GPS does not work indoors at that location.  *HGT optionally reported in feet above local ground level.


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