The nuvi 265w. a very common portable consumer sutomotive navigation device, began to be jammed at a distance of 3.6 miles from the transmitter .
A GNS 4320W, a common FAA certified General Aviation receiver that supports the FAAs NextGen RNAV and RNP operations, began to be jammed at a distance of 13.8 miles from the LightSquared transmitter. Total loss of fix occurred at a distance of 5.6 miles from the LightSquared transmitter. This GPS receiver is certified for LPV (Localizer Performance with Vertical guidance) approach operations to 200 feet decision height .
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As shown by the Garmin testing described in this document, the proposed lightSquared plan to add 40,000 high-powered transmitters in the band adjacent to GPS will result in widespread, severe GPS jamming. This will deny GPS service over vast areas of the United States.
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