GM862-GPS Software User Guide - SemiconductorStore.com
GM862-GPS Software User Guide - SemiconductorStore.com
GM862-GPS Software User Guide - SemiconductorStore.com
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<strong>GM862</strong>-<strong>GPS</strong> <strong>Software</strong> <strong>User</strong> <strong>Guide</strong>1vv0300729 Rev. 4 - 24/01/075.4.3 GSA - GNSS DOP and Active SatellitesThis sentence reports the <strong>GPS</strong> receiver’s operating mode, satellites used in the navigation solutionreported by the GGA sentence and DOP values.Table D contains the values for the following example:$GPGSA,A,3,07,02,26,27,09,04,15, , , , , ,1.8,1.0,1.5*33Table D: GSA Data FormatName Example Units DescriptionMessage ID $GPGSA GSA protocol headerMode 1 A See Table EMode 2 3 See Table FSatellite 07 Sv on Channel 1Used1.Satellite usedin solution.1Satellite 02 Sv on Channel 2Used1....SatelliteUsed1PDOP 1.8HDOP 1.0VDOP 1.5Checksum *33 End of message terminationTable E: Mode 1ValueMADescriptionManual—forced to operate in 2D or 3Dmode2D Automatic—allowed to automaticallyswitch 2D/3DTable F: Mode 2Value Description1 Fix not available2 2D (3 SVs used)Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 99 of 111
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