Trimble Outdoors 58052-00 Benutzerhandbuch

Seite von 251
Copernicus GPS Receiver     1 4 9
TRIMBLE STANDARD INTERFACE PROTOCOL (TSIP)     A
Report Packet 0x57 - Information About Last Computed Fix
This packet provides information concerning the time and origin of the previous 
position fix. The receiver sends this packet, among others, in response to Packet 
0x
37. 
The data format is shown below.
Report Packet 0x58 - Satellite System Data/Acknowledge from Receiver
This packet provides GPS data (almanac, ephemeris, etc.). The receiver sends this 
packet in response to Packet 
0x
38 (acknowledges the loading of data). The data 
format is shown below..
Table A.38
Report Packet 0x57 Data Formats
Byte
Item
Type
Units
Byte 0 Value/Velocity
0
Source  of 
information
UINT8
--
00 temporary no fix
01 good current fix
1
Mfg. diagnostic
UINT8
--
2-5
Time of last fix
Single
seconds, GPS time
6-7
Week of last fix
INT16
weeks, GPS time
Table A.39
Report Packet 0x58 Data Formats
Byte
Item
Type
Value
Definition
0
Operation
UINT8
1
2
Request data from 
receiver
Load data into 
receiver
1
Type of data UINT8
2
3
4
5
6
Almanac
Health page, T_oa, WN_oa
Ionosphere
UTC
Ephemeris
2
Sat PRN#
UINT8
0
1 - 32
Data that is not satellite - ID specific 
satellite PRN number
3
Length (n)
UINT8
Number of bytes of data to be loaded
4 to n+3
Data
Table A.40
Report Packet 0x58 Almanac Data
Byte
Item
Type
Definition / ICD-GPS-200
4
t_oa_raw UINT8
Sec 
20.3.3.5.1.2
5
SV_HEALTH
UINT8
Sec 20.3.3.5.1.2
6-9
e
Single
Sec 20.3.3.5.1.2
10-13
t_oa
Single
Sec 20.3.3.5.1.2
14-17
i_o
Single
Sec 20.3.3.5.1.2
18-21
OMEGADOT
Single
Sec 20.3.3.5.1.2
22-25
sqrt_A
Single
Sec 20.3.3.5.1.2
26-29
OMEGA_0
Single
Sec 20.3.3.5.1.2
30-33
omega
Single
Sec 20.3.3.5.1.2
34-37
M_0
Single
Sec 20.3.3.5.1.2