4 SBF Reference
GLOAlm
Number:
4005
"OnChange"
interval: block generated each time a new almanac data set is re-
ceived from a GLONASS satellite
The
block contains the decoded navigation 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 almanac is provided in
this block (see 4.1.9).
FreqNr
u1
Frequency number of the GLONASS satellite for which al-
manac is provided in this block (see 4.1.9).
This number corresponds to the H
A
n
parameter in the
epsilon
f4
ϵ
A
n
: orbit eccentricity
t_oa
u4
1
s
Reference time-of-week in GPS time frame
Delta_i
f4
1
semi-circle
∆
i
A
n
: correction to inclination
lambda
f4
1
semi-circle
λ
A
n
: Longitude of first ascending node
t_ln
f4
1
s
t
A
λ
n
: time of first ascending node passage
omega
f4
1
semi-circle
ω
A
n
: argument of perigee
Delta_T
f4
1
s / orbit-period
∆
T
A
n
: correction to mean Draconian period
dDelta_T
f4
1
s / orbit-period
2
d
∆
T
A
n
: rate of change correction to mean Draconian period
tau
f4
1
s
τ
A
n
: coarse correction to satellite time
u1
1
week
Reference week in GPS time frame (modulo 256)
C
u1
C
n
A
: 1-bit general health flag (1 indicates healthy)
N
u2
1
day
N
A
: calendar day number within 4 year period
M
u1
M
n
A
: 2-bit GLONASS-M satellite identifier
N_4
u1
N
4
: 4 year interval number, starting from 1996
Padding
u1[..]
Padding bytes, see 4.1.5
345
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 ...