background image

GPS Receiver Board

                                GPS-24 / 24A Operating Manual

      

                    

 Rikaline

 

                                                    

Specifications subject to change without prior notice 

Rikaline

 International Corp.

     

  

14F, 171, ChengGong Rd, Sanchong CityTaipei 241, Taiwan

 

Tel: ++886 2 8973 1899  Fax: ++886 2 8973 1896   E-Mail: 

[email protected]

    Web: www.rikaline.com.tw 

11

Table 4-4 contains the values for the following example: 
 

$GPGLL,3723.2475,N,12158.3416,W,161229.487,A*2C 

 

         Table A-4

 

GLL Data Format 

Name Example 

Units 

Description 

Message ID 

$GPGLL 

 

GLL protocol header 

Latitude  

3723.2475   

ddmm.mmmm 

N/S Indicator  

 

N=north or S=south 

Longitude 12158.3416   dddmm.mmmm 
E/W Indicator 

 

E=east or W=west 

UTC Position 

161229.487  

hhmmss.sss 

Status 

 

A=data valid or V=data not valid 

Checksum *2C 

 

 

<CR> <LF> 

 

 

End of message termination 

 

4.1.3 GNSS DOP and Active Satellites (GSA) 

 
Table A-5 contains the values for the following example: 
 

$GPGSA,A,3,07,02,26,27,09,04,15, , , , , ,1.8,1.0,1.5*33 

 

 
         

Table A-5 GSA Data Format 

Name Example 

Units 

Description 

Message ID  

$GPGSA 

 

GSA protocol header 

Mode 1 

 

See Table 5-6 

Mode 2 

 

See Table 5-7 

Satellite Used (1)

07 

 

Sv on Channel 1 

Satellite Used (1)

02 

 

Sv on Channel 2 

……  

 

 

…. 

Satellite Used 

  

 

Sv on Channel 12 

PDOP 

1.8 

  

Position Dilution of Precision 

HDOP 

1.0 

 

Horizontal Dilution of Precision 

VDOP 

1.5 

 

Vertical Dilution of Precision 

Checksum  

*33 

 

 

<CR> <LF> 

 

 

End of message termination 

        (1) Satellite used in solution. 
 

        

 Table A-6 Mode 1 

Value Description 

Manual—forced to operate in 2D or 3D mode

 

A

 

2D Automatic—allowed to automatically switch 2D/3D

 

 

         

Table A-7 Mode 2 

Value Description 

Fix Not Available 

2 2D 
3 3D 

 

A.1.4 GNSS Satellites in View (GSV) 

 

Table A-8 contains the values for the following example: 
 

$GPGSV,2,1,07,07,79,048,42,02,51,062,43,26,36,256,42,27,27,138,42*71 
$GPGSV,2,2,07,09,23,313,42,04,19,159,41,15,12,041,42*41

 

 

       

  Table A-8 GSV Data Format 

Name Example

Units 

Description 

Message ID  

$GPGSV

 

GSV protocol header 

Number of Messages 

 

Range 1 to 3 

Содержание GPS-24

Страница 1: ...Rikaline International Corp 14F 171 ChengGong Rd Sanchong City Taipei 241 Taiwan R O C Phone 886 2 8973 1899 Fax 886 2 8973 1896 E Mail info rikaline com tw Web www rikaline com tw All Right Reserved...

Страница 2: ...es satellite signals in 100 ms and updates position data every second 1 2 Features The GPS 24 24A provides a host of features that make it easy for integration and use 1 Position accuracy in 7m CEP 90...

Страница 3: ...Differential GPS Position 1 m typical Velocity 0 05 meters second typical 5 Dynamic Conditions Altitude 10 000 meters 32 800 feet max Velocity Horisontal 300 Km Hr Vertical 36 Km Hr Acceleration 2 G m...

Страница 4: ...cquisition performance If significant inaccuracy exists in the initial data or the orbital data is obsolete it may take more time to achieve a navigation solution The FirstGPS architecture provides su...

Страница 5: ...tw 5 3 Hardware interface 3 1 Physical Characters 1 Size 25 9 W x 25 9 D x 2 7 H mm 2 Weight 25 g 1 02 W x 1 02 D x 0 11 H 3 1 1 Details Drawing 3 1 1 1GPS 24 to be equipped with active antenna only...

Страница 6: ...ct D2 DSUEN I DSU enable D3 DSUBRE I DSU break enable D4 DSUTX O DSU transmitter D5 DSURX I DSU receiver D6 DSUACT O DSU active 3 3 Operating Modes 3 3 1 GPIO 1 4 It design as spare I O You may leave...

Страница 7: ...Fax 886 2 8973 1896 E Mail info rikaline com tw Web www rikaline com tw 7 Table 3 3 Backup Battery Conditions Parameter Symbol Min Typ Max Units RTC Battery Power BAT 1 2 1 8 2 V Supply Current 10 A T...

Страница 8: ...n parameters for NMEA output are 9600 baud 8 data bits stop bit and no parity Table 4 1 NMEA 0183 Output Messages NMEA Record Description GPGGA Global positioning system fixed data GPGLL Geographic po...

Страница 9: ...ptions 5 1 1 GPS Receiver Module GPS 24 Standard with TTL level GPS 24 A Standard with TTL level and available to attach patch antenna on top of the board 5 2 Accessories A 10302 M Active Antenna 2M M...

Страница 10: ...GA Global positioning system fixed data GPGLL Geographic position latitude longitude GPGSA GNSS DOP and active satellites GPGSV GNSS satellites in view GPRMC Recommended minimum specific GNSS data GPV...

Страница 11: ...le GPGSA A 3 07 02 26 27 09 04 15 1 8 1 0 1 5 33 Table A 5 GSA Data Format Name Example Units Description Message ID GPGSA GSA protocol header Mode 1 A See Table 5 6 Mode 2 3 See Table 5 7 Satellite U...

Страница 12: ...ed Minimum Specific GNSS Data RMC Table A 9 contains the values for the following example GPRMC 161229 487 A 3723 2475 N 12158 3416 W 0 13 309 62 120598 10 Table A 9 RMC Data Format Name Example Units...

Страница 13: ...om tw 13 A 1 7 Time Date ZDA Table A 11 contains the values for the following example GPVTG 114523 62 12 04 2001 10 34 6E Table A 11 ZDA Data Format Name Example Units Description Message ID GPZDA ZDA...

Страница 14: ...Specifications subject to change without prior notice Rikaline International Corp 14F 171 ChengGong Rd Sanchong CityTaipei 241 Taiwan Tel 886 2 8973 1899 Fax 886 2 8973 1896 E Mail info rikaline com t...

Страница 15: ...ent to initialize navigation parameters to speed up initial acquisition time The PNMRX101 message format is shown below Field Format Min chars Max chars Notes Message ID PNMRX101 6 8 PNMRX101 protocol...

Страница 16: ...GA every 1s and ZDA is skipped PNMRX103 GSV 2 GGA 1 ZDA 0 xx same as above but using a fixed length message PNMRX103 ALL 2 xx all messages are output every 2s PNMRX103 ALL 0 xx skips all messages C 4...

Страница 17: ...9999 Dz Int 0 1 5 Z offset in meters 9999 to 9999 Iflat Int 0 1 8 Inverse flatness of reference geode The value to be used is IFlat 290 1000000 The value must be in the range 6000000 12000000 Majora I...

Страница 18: ...otocol header Mask ID Int 3 3 Mask identifier possibilities are GGA GLL GSA GSV RMC VTG ZDA Mask ID Int 3 3 Mask Identifier Checksum xx 0 3 3 2 digits Message terminator CR LF 2 2 ASCII 13 ASCII 10 Ex...

Страница 19: ...e executed after the reset If the last bit field is set to 1 then the actions are repeated permanently at each reset until this bit is cleared Field Format Min chars Max chars Notes Message ID PNMRX11...

Страница 20: ...ties C 10 PNMRX300 Almanac Data Transfer This message format is used to transfer the almanac data between nodes it uses a packed hexadecimal format to transfer almanac data for each of the available S...

Страница 21: ...these can be sent in any order provided that the 3 messages for any individual satellite are grouped together each message is individually interpreted and after a group of 3 valid messages for an SV t...

Страница 22: ...ger Checksum xx 0 3 2 digits Message terminator CR LF 2 ASCII 13 ASCII 10 C 12 PNMRX302 Ionospheric correction Field Format width scale units Notes Message ID PNMRX302 8 PNMRX301 protocol header Satel...

Страница 23: ...ield Format Min chars Max chars Notes Message ID PNMRX603 8 8 PNMRX603 protocol header Message Nb Int 1 1 0 Message Sequence 7 times 7xInt 1 1 Message Sequence Message Delay 7 times 7xInt 1 1 Message...

Страница 24: ...CII 10 PNMRX603 message 3 Field Format Min chars Max chars Notes Message ID PNMRX603 8 8 PNMRX603 protocol header Message Nb Int 1 1 3 Acq threshold 1 Int 3 8 Acq threshold 2 Int 3 8 Noise floor Int 3...

Отзывы: