C-Nav 2050M User Manual - page 138
C-Nav2050 User Guide
These electromagnetic waves are then converted into
l curre
by the receiver.
st commonly used
atellites is
APC must be
readings.
heigh
adding the height
sily measured point, such a
f the
en this
the A
ofing
yption technique
p d by t
P-Code by
ofing on, the user
DoD issued “key” in order to gain access to
de.
the
llite about the
t is th
enter of the
ation
the
oduct of the noise sequence with a delayed
lf.
operation in which a GPS receiver computes position
time from satellite data a
t
o data supplied by a reference stationor
co
is
pically the least precise positioning procedure a GPS
ceiver can perform, yielding position fixes that are
precise to 100 meters with Selective Availability on, and
30 meters with S/A off.
Average Deviation is a measure of variability in a data
set but it is more robust than standard deviation. It is
electrica
nts that are decoded
Patch, or Microstrip antennas are mo
in GPS.
Antenna Phase Center (APC) is the point in an
antenna where the GPS signal from the s
received. The height above ground of the
measured accurately to ensure accurate GPS
The APC
t can be calculated by
to an ea
s the base o
antenna mount, to the known distance betwe
point and
PC.
Antispo
(A/S) is an encr
develo e
he US Department of Defense (DoD) that
when implemented, denies access to the
any unauthorized users. With Antispo
will need a
the P-Co
Apogee is
point in the orbit of a sate
earth tha
e greatest distance from the c
earth.
is a plot of
Autocorrel
in reference to code
scalar pr
copy of itse
Autonomous positioning (GPS) is a mode of
fixes in real
lone, withou
reference t
orbital clock
rrections. Autonomous positioning
ty
re
G-6