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Rsa-1200l user manual – RoyalTek RSA-1200LX User Manual

Page 17

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16

RSA-1200L User Manual

Course Over

Ground

309.62

degrees True

Date

120598

ddmmyy

Magnetic Variation

degrees E=east or W=west

Mode

A

A=Autonomous, D=DGPS, E=DR

Checksum

*10

2.1.6 VTG-Course Over Ground and Ground Speed

Table 2-10 contains the values of the following example:

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

Table 2-10 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

Speed

0.13

knots

Measured horizontal speed

Units

N

Knots

Speed

0.2

km/hr

Measured horizontal speed

Units

K

Kilometer per hour

Mode

A

A=Autonomous, D=DGPS, E=DR

Checksum

*6E

<CR><LF>

End of message termination

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