Beidou satellite SMS platform

Time:2020-10-26

User module

SMS module

 

 

Positioning module

Chart information

communication protocol

=====================================================================
Location Protocol
=====================================================================
Command $gpsp: 24 47 50 53 50 00 0f 00 00 00 01 00 00 3E (GPS positioning setting)
Response $gpsx: 24 47 50 53 58 00 26 1F FA 66 0d 06 0f 04 01 07 45 75 0e 1D 00 4E 1F 33 27 04 00 6D 00 00 00 09 01 13 00 8F

Conversion: $GPRMC, 040107.00, a, 3151.6567, N, 11714.4833, e, 0,0150613,,, a * 56

Field 0: frame header $GPRMC, statement ID, indicating that the statement is recommended minimum specific GPS / transmit data (RMC) recommended minimum positioning information
Field 1: UTC time UTC time, hhmmss.sss Format, for example, the value 122040.250 indicates 12:20:40:15.
Field 2: status a = located, v = not positioned
Field 3: latitude ddmm.mmmm , degree fraction format (fill 0 if the leading digit is insufficient)
Field 4: n / S N (n) or s (s)
Field 5: longitude dddmm.mmmm , degree fraction format (fill 0 if the leading digit is insufficient)
Field 6: e / w e (E) or w (W)
Field 7: knots
Field 8: azimuth degrees
Field 9: UTC date ddmmyy format
Field 10: magnetic declination (000 – 180) degrees
Field 11: magnetic declination direction e = east w = west
Field 16: check value
LF + CR field: return line

=====================================================================
Location Protocol
=====================================================================
$DWSQ 24 44 57 53 51 00 16 00 00 00 04 00 00 00 00 00 00 00 00 00 00 27
$DWXX 24 44 57 58 58 00 1f 1f fa 66 08 00 00 00 0b 1c 32 47 76 05 2f 07 18 22 35 06 00 14 00 0a 8d

=====================================================================
communication protocol
=====================================================================
Command plane (07 FF 25) transmit user (1F FA 66)
24 54 58 53 51 00 16 00 00 00 42 1F FA 66 00 20 00 31 32 33 20 CD

User (1F FA 66) transmit user (1F FA 67)
24 54 58 53 51 00 1b 00 00 00 46 1f fa 67 00 48 00 31 32 33 34 35 36 37 38 39 8c

User (1F FA 67) transmit user (1F FA 66)
24 54 58 53 51 00 1b 00 00 00 46 1f fa 66 00 48 00 31 32 33 34 35 36 37 38 39 8d

======================================================================================
User machine (1F FA 66) receiving command plane (07 FF 25)
24 54 58 58 58 00 18 1F FA 66 62 07 FF 25 00 00 00 20 31 32 33 20 00 3C

User (1F FA 67) receiving user (1F FA 66)
24 54 58 58 58 00 1D 1F FA 67 62 1F FA 66 00 00 00 48 31 32 33 34 35 36 37 38 39 00 2F

User (1F FA 66) receiving subscriber (1F FA 67)
24 54 58 58 58 00 1D 1F FA 66 62 1F FA 67 00 00 00 48 31 32 33 34 35 36 37 38 39 00 2F

24 54 58 58 58 00 1D 1F FA 66 62 1F FA 66 00 00 00 48 31 32 33 34 35 36 37 38 39 00 2E

Txqs feedback information
24 46 4B 58 58 00 10 1F FA 66 00 54 58 53 51 B4

 

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