
76-11Radio Location, Radio Navigation, and GPS Systems
Fast sequencing receivers have two channels: one for making continuous pseudorange measurements
an
d
th
e
ot
her
fo
r
co
llection
of th
e
ep
hemeris
an
d
al
manac
da
ta
. i
s
ty
pe
is us
ed
in me
dium
dy
namic
ap
plications
s
uch
a
s
g
round
v
ehicles
.
A nu
mber
of co
mpanies
pr
oduce
hi
ghly
so
phisticated
GP
S
re
ceivers
. EU
RONAV
GP
S
re
ceivers
op
er-
ate
on tw
o
an
d
v
e
ch
annels
fo
r
mi
litary
ap
plications
. e
y
pr
ovide
fe
atures
su
ch
as pr
ecise
ti
me,
in
ter-
facing
w
ith
d
igital
ight
i
nstruments,
R
S-422
i
nterface,
a
ltimeter
i
nput,
s
elf-initialization,
e
tc
.
So
ware
im
plementation
sa
tellite
ma
nagement
fu
nctions,
ha
ving
di
erent ...