Altina GGM308U Gnss Satellites in View GSV, Recommended Minimum Specific Gnss Data RMC, $Gpgsv

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5.5.GNSS Satellites in View (GSV)

Table 5-8 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 5-8GSV Data Format

Name

 

 

Example

 

Units

 

Description

Message ID

 

 

$GPGSV

 

 

 

GSV protocol header

Number of

2

 

 

 

Range 1 to 3

Messages

 

 

 

 

 

 

 

Message Number

 

1

 

 

 

Range 1 to 3

Satellites in View

07

 

 

 

Range 1 to 12

Satellite ID

 

07

 

 

 

Channel 1 (Range 1 to 32)

Elevation

 

79

 

degrees

 

Channel 1 (Maximum 90)

Azimuth

048

 

degrees

 

Channel 1 (True, Range 0 to 359)

SNR (C/No)

42

 

dBHz

 

Range 0 to 99, null when not

 

 

 

 

 

 

 

tracking

Satellite ID

 

27

 

 

 

Channel 4 (Range 1 to 32)

Elevation

27

 

degrees

 

Channel 4 (Maximum 90)

Azimuth

 

138

 

degrees

 

Channel 4 (True, Range 0 to 359)

SNR (C/No)

42

 

dBHz

 

Range 0 to 99, null when not

 

 

 

 

 

 

 

tracking

Checksum

*71

 

 

 

 

<CR> <LF>

 

 

 

 

 

 

End of message termination

NOTE: Items <4>,<5>,<6> and <7> repeat for each satellite in view to a maximum of four (4) satellites per sentence. Additional satellites in view information must be sent in subsequent sentences. These fields will be null if unused.

5.6. Recommended Minimum Specific GNSS Data (RMC)

Table 5-9 contains the values for the following example.

$GPRMC,161229.487,A,3723.2475,N,12158.3416,W,0.13,309.62,120598, ,*10

Table 5-9RMC Data Format

Name

Example

 

Units

 

Description

Message ID

$GPRMC

 

 

 

RMC protocol header

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Contents GPS GGM308U Index Overview Product FeatureDgps Differential GPS SpecificationKey Feture Non Dgps Differential GPSPage Hardware DimensionGGM308 USB Click Start menu, select Settings, then enter Control PanelOutput terminal and definition USB DriverNmea Record Description Software DataNmea Output Message Global Positioning System Fix Data GGA$GPGLL Geographic Position with Latitude/LongitudeGLLHdop $GPGLL,3723.2475,N,12158.3416,W,161229.487,A*2CValue Description Gnss DOP and Active Satellites GSA$GPGSA,A,3,07,02,26,27,09,04,15, , , , , ,1.8,1.0,1.5*33 Name Example Units Description Message ID Gnss Satellites in View GSVRecommended Minimum Specific Gnss Data RMC $GPGSV$GPVTG Course Over Ground and Ground Speed VTG$GPVTG,309.62,T, ,M,0.13,N,0.2,K*6E Rtcm Received Data Warranty