Micro Modular Technologies Orion NMEA Manual de usuario descargar pdf (Pagina 6)

Orion NMEA User Manual

GPS Receiver Module

Micro Modular Technologies Pte. Ltd. Page 6 of 25

No. 3, Ubi Avenue 3, #03-02 Crocodile House 408857 Singapore

Tel: 65-6745-8832 Fax: 65-6293-0661 Email: sales@micro-modular.com

www.micro-modular.com

3.4 GSA – GNSS DOP and Active Satellites

This sentence contains the mode of operation, type of fix, PRNs of the satellites used in the solution

as well as PDOP, HDOP and VDOP.

$GPGSA,A,3,15,22,18,21,03,14,09,19,16,26,,,1.5,1.0,1.2*3E

Name Description Type Example

MsgID GSA Header $GPGSA

OpMode

A = Automatic

M = Manual (not used by Orion)

FixType

1 = No fix

2 = 2D fix

3 = 3D fix

SatID01 SV on channel 01 15

… … …

SatID12 SV on channel 12 <null>

PDOP Position Dilution of Precision 1.5

HDOP Horizontal Dilution of Precision 1.0

VDOP Vertical Dilution of Precision 1.2

ChkSum Checksum *3E

EOL NMEA end of line <CR> <LF>

Table 5 – GSA Sentence Fields

1 2 3 4 5 6 7 8 9 10 11 ... 24 25

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Micro Modular Technologies Orion NMEA Manual de usuario Pagina 6