SBAS almanac report
The SBAS almanac report is sent when Command Packet 54h is used to request the almanac for one satellite or all satellites. The Command Packet 54h SUBTYPE byte (byte 4) is set to twenty-four (24) to request the report.
The following table shows the additional records provided in Report Packet 55h when almanac data is included.
|
Subtype 24: SBAS almanac |
|||
|---|---|---|---|
|
Byte |
Item |
Type |
Meaning |
|
6–7 |
WEEK NUMBER |
2 (short) |
GPS Time |
|
8–11 |
TOE |
4 (long) |
seconds (GPS Time) |
|
12–19 |
X |
8 (double) |
meters |
|
20–27 |
Y |
8 (double) |
meters |
|
28–35 |
Z |
8 (double) |
meters |
|
36 –43 |
X velocity |
8 (double) |
meters / sec |
|
32–39 |
Y velocity |
8 (double) |
meters / sec |
|
40–47 |
Z velocity |
8 (double) |
meters / sec |
|
60 |
Validity |
1 (byte) |
|
|
61 |
Health |
1 (byte) |
|
|
---------- End of Subtype 24 ---------- |
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