[GPS] GPS NEMA log

$GPGSV,4,1,13,04,22,171,20,07,28,317,25,09,32,262,20,11,22,194,22*70
$GPGSV,4,2,13,16,42,049,24,19,76,241,32,23,30,224,29,26,21,075,15*74
$GPGSV,4,3,13,27,64,028,30,01,02,187,,21,00,000,,30,00,000,*7F
$GPGSV,4,4,13,31,04,136,*49


$GPGSV,4,1,13,04,22,171,20,07,28,317,25,09,32,262,20,11,22,194,22*70
    4: 4個messages
    1: 第一個message
  13: 13個衛星
 
      04,22,171,20,
           04: Saellite ID
           22: Elevation
         171: Azimuth
           20: SNR(C/N0)

      07,28,317,25,
      09,32,262,20,
      11,22,194,22

  *70

$GPGSV,4,2,13,16,42,049,24,19,76,241,32,23,30,224,29,26,21,075,15*74
     4:
     2:
  ,13:
       16,42,049,24
       19,76,241,32
       23,30,224,29
       26,21,075,15

*74

$GPGSV,4,3,13,27,64,028,30,01,02,187,,21,00,000,,30,00,000,*7F
     4:
     3:
   13:
        27,64,028,30
        01,02,187,,
        21,00,000,,
        30,00,000,
*7F
$GPGSV,4,4,13,31,04,136,*49
     4:
     4:
   13:
        31,04,136,

*49

參考資料:

http://annheilong.pixnet.net/blog/post/24919514-%E3%80%90%E9%9B%BB%E8%85%A6%E3%80%91nmea%E6%A8%99%E6%BA%96%E6%A0%BC%E5%BC%8F

NMEA Reference Manual

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