Summary | Technical
Focus | Stanford
The SCPNT works
with the Federal Aviation Administration,
U.S. Navy, U.S. Air Force, Arinc,
NASA and U.S. Coast Guard to pioneer
systems that augment the Global Positioning
System (GPS) and Galileo.
These augmentations broadcast differential
corrections to improve accuracy,
provide error bounds in real time, and/or
mitigate radio frequency interference.
Specific projects include:
Area Augmentation System (WAAS) already
supports millions of land and marine
users across North America. It
became operational for aviation
in July of 2003.
Area Augmentation System (LAAS) will
eventually support automatic landings
at high-traffic hub airports.
Precision Approach and Landing
System (JPALS) will support
aircraft landings on aircraft carriers
and military air fields.
that address the vulnerability of
satellite navigation to radio frequency
interference are of interest. These
include the integration of existing
terrestrial radio navigation systems
like Loran -
now called enhanced Loran or eLoran.
The lab is also very active in the
investigation of software receivers
that integrate inertial navigation
and adaptive antennas.
the laboratory worked with the U.S.
Coast Guard to design a medium frequency
radio system to broadcast differential
corrections to maritime users of
GPS. Today, this system covers much
of the world's coastline and provides
differential GPS data to 1.5 million