A.1.5 recommended minimum specific gnss data (rmc), Example, Units – Rikaline GPS-6033 User Manual

Page 15: Description, A.1.6 course over ground and ground speed, Rikaline

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Next Generation GPS Bluetooth GPS

GPS-6033 Operating Manual

10F, 64, Kang-Ding Road, Taipei 108, Taiwan

Tel: ++886 2 2370 4688 Fax: ++886 2 2370 4686 E-Mail: [email protected] Web: www.rikaline.com.tw

15

Rikaline

Rikaline

International Corp.

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.

A.1.5 Recommended 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

Description

Message ID

$GPRMC

RMC protocol header

UTC Time

161229.487

hhmmss.sss

Status

A

A=data valid or V=data not valid

Latitude 3723.2475

ddmm.mmmm

N/S Indicator

N

N=north or S=south

Longitude 12158.3416

dddmm.mmmm

E/W Indicator

W

E=east or W=west

Speed Over Ground

0.13

Knots

Course Over Ground

309.62

Degrees True

Date 120598

ddmmyy

Magnetic Variation

Degrees E=east or W=west

Checksum *10

<CR> <LF>

End of message termination

A.1.6 Course Over Ground and Ground Speed


Table A-10 contains the values for the following example:

$GPVTG,309.62,T, ,M,0.13,N,0.2,K*6E

Table A-10 VTG Data Format

Name Example

Units

Description

Message ID

$GPVTG

VTG protocol header

Course 309.62

Degrees Measured

heading

Reference T

True

Course

Degrees Measured

heading

Reference M

Magnetic

(1)

Speed 0.13

Knots

Measured horizontal speed

Units N

Knots

Speed

0.2

Km/hr

Measured horizontal speed

Units

K

Kilometers per hour

Checksum *6E

<CR> <LF>

End of message termination

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