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RoyalTek REB-3000 User Manual

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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 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.

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