C-Nav 2050M User Manual - page 137
C-Nav2050 User Guide
Definitions
lectronic
put (at TTL levels) from the GPS receiver that
ise
rs.
s see meteorological files(where yy = two digit
o digit year
see observation files (where yy = two digit
ceiver to
receiver for
Accuracy is th
of a measured or
d quantity to a standard or true value.
therefore related to the q
fo
ion
iver track,
on to
a summary of
rameters for all GPS satellites. The almanac
cquired from any GPS satellite.
s the
oid or
geoid. It is always stored as height above ellipsoid in
eceiv
t above
MSL).
is t
ier
ths b
receiver.
is a d
he
electromagnetic GPS signals broadcast by a satellite.
1 Pulse Per Second (1PPS) is a precision e
pulse out
marks exact second intervals. It is used for prec
timing and to synchronize receivers and acquisition
compute
.yym file
year data was collected).
.yyn files see navigation files (where yy = tw
data was collected).
.yyo files
year data was collected).
Absolute Positioning is the ability of a GPS re
produce positional values without another
reference.
e degree of conformity
calculate
Accuracy is
uality of the
results.
Almanac is und in subframe 5 of the Navigat
Message. It is a data file that helps the rece
and lock-
satellites as it contains
orbital pa
can be a
Altitude i
vertical distance above the ellips
the GPS r
er but can be displayed as heigh
ellipsoid (HAE) or height above mean sea level (
Ambiguity
he unknown number of whole carr
waveleng
etween satellite and
Antenna
evice used to collect and amplify t
G-5