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    $psrftxt,version:gsw3.2.4_3.1.00.12-sdk003p1.00a

    $psrftxt,version2:f-gps-03-0701231

    $psrftxt,waas disable

    $psrftxt,tow: 105921

    $psrftxt,wk: 1538

    $psrftxt,pos: -2170399 4386065 4076920

    $psrftxt,clk: 95585

    $psrftxt,chnl: 12

    $psrftxt,baud rate: 4800

    $gpgga,052613.172,3959.1983,n,11619.6639,e,0,03,,74.0,m,-6.5,m,,0000*5b

    $gpgsa,a,1,30,14,29,,,,,,,,,,,,*13

    $gprmc,052613.172,a,3959.1983,n,11619.6639,e,,,290609,,*01

    $gpgga,052*.266,3959.2084,n,11619.6691,e,1,03,4.1,74.0,m,-6.5,m,,0000*7f

    $gpgsa,a,2,30,14,29,,,,,,,,,,4.2,4.1,1.0*3c

    $gprmc,052*.266,a,3959.2084,n,11619.6691,e,1.24,10.61,290609,,*3e

    $gpgga,052615.269,3959.2074,n,11619.6690,e,1,03,4.1,74.0,m,-6.5,m,,0000*7f

    $gpgsa,a,2,30,14,29,,,,,,,,,,4.2,4.1,1.0*3c

    $gprmc,052615.269,a,3959.2074,n,11619.6690,e,2.09,90.96,290609,,*32

    $gpgga,052616.269,3959.2080,n,11619.6676,e,1,04,3.9,48.4,m,-6.5,m,,0000*7c

    $gpgsa,a,3,30,14,29,12,,,,,,,,,4.0,3.9,1.0*33

    $gprmc,052616.269,a,3959.2080,n,11619.6676,e,0.39,281.94,290609,,*03

    $gpgga,052617.266,3959.2117,n,11619.*0,e,1,04,6.9,70.3,m,-6.5,m,,0000*7e

    $gpgsa,a,3,30,14,29,12,,,,,,,,,8.3,6.9,4.5*39

    $gpgsv,3,1,10,14,56,115,34,30,37,049,41,29,23,103,34,12,08,041,30*73

    $gpgsv,3,2,10,16,75,122,,21,51,183,,31,50,055,,20,23,309,*7e

    $gpgsv,3,3,10,22,21,297,,18,03,169,*73

    $gprmc,052617.266,a,3959.2117,n,11619.*0,e,0.10,299.68,290609,,*09

    $gpgga,052618.000,3959.2142,n,11619.7011,e,1,04,6.9,80.7,m,-6.5,m,,0000*74

    $gpgsa,a,3,30,14,29,12,,,,,,,,,8.3,6.9,4.5*39

    $gprmc,052618.000,a,3959.2142,n,11619.7011,e,0.16,318.14,290609,,*0d

    $gpgga,052619.000,3959.2174,n,11619.7146,e,1,04,6.9,90.3,m,-6.5,m,,0000*76

    $gpgsa,a,3,30,14,29,12,,,,,,,,,8.3,6.9,4.5*39

    $gprmc,052619.000,a,3959.2174,n,11619.7146,e,0.42,64.37,290609,,*32

    $gpgga,052620.000,3959.2194,n,11619.7277,e,1,04,6.9,96.9,m,-6.5,m,,0000*7f

    $gpgsa,a,3,30,14,29,12,,,,,,,,,8.3,6.9,4.5*39

    $gprmc,052620.000,a,3959.2194,n,11619.7277,e,1.04,76.65,290609,,*30

    $gpgga,052621.000,3959.2216,n,11619.7391,e,1,04,6.9,104.4,m,-6.5,m,,0000*49

    $gpgsa,a,3,30,14,29,12,,,,,,,,,8.3,6.9,4.5*39

    $gprmc,052621.000,a,3959.2216,n,11619.7391,e,0.97,72.92,290609,,*36

    $gpgga,052622.000,3959.2227,n,11619.7426,e,1,04,6.9,107.2,m,-6.5,m,,0000*46

    $gpgsa,a,3,30,14,29,12,,,,,,,,,8.3,6.9,4.5*39

    $gpgsv,3,1,10,14,56,115,35,30,37,049,40,29,23,103,33,12,08,041,30*74

    $gpgsv,3,2,10,16,75,122,,21,51,183,,31,50,055,,20,23,309,*7e

    $gpgsv,3,3,10,22,21,297,,18,03,169,*73

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    1¡¢ gps dop and active satellites(gsa)µ±Ç°ÎÀÐÇÐÅÏ¢

    $gpgsa,<1>,<2>,<3>,<3>,,,,,<3>,<3>,<3>,<4>,<5>,<6>,<7>

    <1>ģʽ £ºm = ÊÖ¶¯£¬ a = ×Ô¶¯¡£

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    <4> pdopλÖþ«¶ÈÒò×Ó(0.5~99.9)

    <5> hdopˮƽ¾«¶ÈÒò×Ó(0.5~99.9)

    <6> vdop´¹Ö±¾«¶ÈÒò×Ó(0.5~99.9)

    <7> checksum.(¼ì²éλ).

    2¡¢ gps satellites in view(gsv)¿É¼ûÎÀÐÇÐÅÏ¢

    $gpgsv, <1>,<2>,<3>,<4>,<5>,<6>,<7>,?<4>,<5>,<6>,<7>,<8>

    <1> gsvÓï¾äµÄ×ÜÊý

    <2> ±¾¾ägsvµÄ±àºÅ

    <3> ¿É¼ûÎÀÐǵÄ×ÜÊý£¬00 ÖÁ 12¡£

    <4> ÎÀÐDZàºÅ£¬ 01 ÖÁ 32¡£

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    <6>ÎÀÐÇ·½Î»½Ç£¬ 000 ÖÁ 359 ¶È¡£Êµ¼ÊÖµ¡£

    <7>ѶºÅÔëÉù±È(c/no)£¬ 00 ÖÁ 99 db;ÎÞ±íδ½ÓÊÕµ½Ñ¶ºÅ¡£

    <8>checksum.(¼ì²éλ).

    µÚ<4>,<5>,<6>,<7>Ïî¸ö±ðÎÀÐÇ»áÖØ¸´³öÏÖ£¬Ã¿ÐÐ ¶àÓÐËÄ¿ÅÎÀÐÇ¡£ÆäÓàÎÀÐÇÐÅÏ¢»áÓÚ´ÎÒ»ÐгöÏÖ£¬ÈôδʹÓã¬ÕâЩ×ֶλá¿Õ°×¡£

    3¡¢global positioning system fix data(gga)gps¶¨Î»ÐÅÏ¢

    $gpgga,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>,m,<10>,m,<11>,<12>*hh

    <1> utcʱ¼ä£¬hhmmss(ʱ·ÖÃë)¸ñʽ

    <2> γ¶Èddmm.mmmm(¶È·Ö)¸ñʽ(Ç°ÃæµÄ0Ò²½«±»´«Êä)

    <3> γ¶È°ëÇòn(±±°ëÇò)»òs(ÄϰëÇò)

    <4> ¾­¶Èdddmm.mmmm(¶È·Ö)¸ñʽ(Ç°ÃæµÄ0Ò²½«±»´«Êä)

    <5> ¾­¶È°ëÇòe(¶«¾­)»òw(Î÷¾­)

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    <7> ÕýÔÚʹÓýâËãλÖõÄÎÀÐÇÊýÁ¿(00~12)(Ç°ÃæµÄ0Ò²½«±»´«Êä)

    <8> hdopˮƽ¾«¶ÈÒò×Ó(0.5~99.9)

    <9> º£°Î¸ß¶È(-9999.9~99999.9)

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