C-Nav 2050M User Manual - page 146
C-Nav2050 User Guide
positioning lies on or within the ellipse) or 2.1447 times
the standard deviation (95% confidence) level.
European Geostationary Navigation Overlay Servic
(EGNO
e
S) a European satellite system used to augment
r cycle count.
n
al
currently being
l
hmarks whose heights are known as
is
of
se
readings, which are measured relative to an
ce a
nd
the two military satellite navigation systems now
operating, the US GPS and Russian GLONASS
systems.
Fractional Instantaneous Phase Measurement is a
measurement of the carrier beat phase that does not
include any intege
Frequency Band is a range of frequencies in a regio
of the electromagnetic spectrum.
Frequency Spectrum is the distribution of sign
amplitudes as a function of frequency of the constituent
signal waves.
Galileo is the navigation satellite system
developed and implemented by the European Space
Agency, the European Union. Initial operation is
planned for 2008.
Geodetic Leveling Network is a network of vertica
control or benc
accurately as possible, and whose horizontal position
known only approximately.
Geoid is the gravity-equipotential surface that best
approximates mean sea level over the entire surface
the earth. The surface of a geoid is too irregular to u
for GPS
ellipsoid. Conventionally surveyed positions referen
geoid. Calculating the distance between the geoid a
ellipsoid at each position and subtracting this from the
GPS altitude measurement can obtain more accurate
GPS readings.
Geoidal Height is the undulation of the geoid above or
below the reference ellipsoid.
G-14