4 SBF Reference
4.2.4
GLONASS Decoded Message Blocks
GLONav
Number:
4004
"OnChange"
interval: block generated each time a new navigation data set is
received from a GLONASS satellite
The
block contains the decoded ephemeris data for one GLONASS satellite.
Parameter
Type Units
Do-Not-Use
Description
Sync1
c1
Block Header, see 4.1.1
Sync2
c1
u2
ID
u2
Length
u2
1
byte
u4
0.001
s
4294967295
u2
1
week
65535
u1
ID of the GLONASS satellite for which ephemeris is provided in this
block (see 4.1.9).
FreqNr
u1
Frequency number of the GLONASS satellite for which ephemeris is
provided in this block (see 4.1.9).
X
f8
1000
m
x-component of satellite position in PZ-90
Y
f8
1000
m
y-component of satellite position in PZ-90
Z
f8
1000
m
z-component of satellite position in PZ-90
Dx
f4
1000
m / s
x-component of satellite velocity in PZ-90
Dy
f4
1000
m / s
y-component of satellite velocity in PZ-90
Dz
f4
1000
m / s
z-component of satellite velocity in PZ-90
Ddx
f4
1000
m / s
2
x-component of satellite acceleration in PZ-90
Ddy
f4
1000
m / s
2
y-component of satellite acceleration in PZ-90
Ddz
f4
1000
m / s
2
z-component of satellite acceleration in PZ-90
gamma
f4
1
Hz / Hz
γ
n
(t
b
):relative deviation of predicted carrier frequency
tau
f4
1
s
τ
n
(t
b
): time correction to GLONASS time
dtau
f4
1
s
∆
τ
n
: time difference between L2 and L1 sub-band
t_oe
u4
1
s
reference time-of-week in GPS time frame
u2
1
week
reference week number in GPS time frame (modulo 1024)
u1
1
minute
time interval between adjacent values of t
b
u1
1-bit odd/even flag of t
b
E
u1
1
day
age of data
B
u1
3-bit health flag, satellite unhealthy if MSB set
tb
u2
1
minute
time of day (center of validity interval)
M
u1
2-bit GLONASS-M satellite identifier (01, otherwise 00)
u1
2-bit mode of computation of time parameters
l
u1
1-bit health flag, 0=healthy, 1=unhealthy
P4
u1
1-bit ’updated’ flag of ephemeris data
N_T
u2
1
day
current day number within 4-year interval
F_T
u2
0.01
m
predicted user range accuracy at time t
b
C
u1
255
1-bit health Cn flag from the almanac. This field is set to the last ’Cn’
flag received from the almanac. If no ’Cn’ flag has been received yet,
it is set to its do-not-use value.
Rev 1
Padding
u1[..]
Padding bytes, see 4.1.5
344
Summary of Contents for PolaRx5TR
Page 1: ...PolaRx5TR Reference Guide Applicable to version 5 5 0 of the Firmware ...
Page 73: ...3 Command Line Reference Chapter 3 Command Line Reference 73 ...
Page 130: ...3 Command Line Reference COM1 gim CR R gim IonosphereModel off COM1 130 ...
Page 237: ...3 Command Line Reference COM1 237 ...
Page 279: ...3 Command Line Reference COM1 279 ...
Page 294: ...4 SBF Reference Chapter 4 SBF Reference 294 ...