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RoyalTek REV-2000 User Manual

Page 52

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RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual

35

****B0B3 – Message Checksum and End

Sequence

Table 53 Visible List

Binary(Hex) ASCII(Decimal)

Name

Bytes Scale Example

Units

Scale Example

Message ID

1

0D

13

Visible Svs

1

08

8

CH 1 –Sv I.D

1

07

7

CH 1 –Sv Azimuth

2

0029

Degrees

41

CH 1 –Sv
Elevation

2

0038 Degrees

56

CH 2 –Sv I.D

1

09

9

CH 2 –Sv Azimuth

2

0133

Degrees

307

CH 2 –Sv
Elevation

2

002C Degrees

44

……

Payload Length:62 bytes(maximum)

Almanac Data – Message I.D.14

Output Rate:Response to poll

Example :A0A203A1 – Start Sequence

and Payload Length

0E01************* - Payload

****B0B3 – Message

checksum and End Sequence

Table 54 Visible List

Binary(Hex) ASCII(Decimal)

Name

Bytes

Scale Example

Units

Scale Example

Message ID

1

0E

14

Sv I.D.(1)

1

01

1

Almanac
Data[14][2]

28

….

Sv I.D.(32)

1

20

32

Almanac
Data[14][2]

28

Payload Length: 929 bytes(maximum)

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