RoyalTek REB-3000 User Manual
Page 50
RoyalTek RGM-3000/REB-3000
GPS Module Operational Manual)
45
****B0B3 – Message
checksum and End Sequence
Table 57
Royaltek Navigation Data
Binary(Hex) ASCII(Decimal)
Name
Bytes
Scale Example
Units
Scale Example
Message ID
1
64
100
Year 2
07D1
2001
Month 2
000C
12
Day 2
0005
5
Hours 2
0011
17
Minutes 2
001E
30
Seconds 4
*1000
5202
Sec.
÷
1000
20.994
Degree of Latitude
2
19
degree
25
Minutes of Latitude
4
*10000
0001818C
Min.
÷
10000
9.8700
Degree of Longitude
2
79
degree
121
Minute of Longitude
4
*10000
0002BA64
Min.
÷
10000
17.8788
Altitude 4
000000FA
meter
250
Validity 1
01
1
Speed 2
*10
0064
Km/h
÷
10
10.0
Course over ground
2
0080
Degree
128
PDOP 2
*10
012C
÷
10
30.0
HDOP 2
*10
012C
÷
10
30.0
VDOP 2
*10
012C
÷
10
30.0
Payload Length: 42 bytes. This protocol is provided from RoyalTek firmware Ver. 1.7. release
* *hh<CR><LF> Check Sum and sentence termination delimiter
Set Ephemeris – Message I.D.254
This command enables the user to upload an ephemeris to the Evaluation unit.
Note – This feature is not documented in this manual . For information on implementation contact
SiRF Technology Inc.
Development Data – Message I.D.255
Output Rate: Receiver generated
Example :A0A2**** - Start Sequence and Payload Length
FF************* - Payload
****B0B3 – Message Checksum and End Sequence
Table 58
Development Data
Binary(Hex) ASCII(Decimal)
Name
Bytes
Scale Example
Units
Scale Example
Message ID
1
FF
255
Payload Length:Variable
Note – Messages are output to give the
user information of receiver activity.
Convert to symbol to assemble message
(i.e., 0x4E is ‘N’) these are low priority task
and are not necessarily output at constant
intervals.