- 最後登錄
- 2021-12-17
- 在線時間
- 322 小時
- 註冊時間
- 2010-10-24
- 閱讀權限
- 20
- 精華
- 0
- UID
- 8893386
- 帖子
- 643
- 積分
- 967 點
- 潛水值
- 10169 米
| 若新密碼無法使用,可能是數據未更新。請使用舊密碼看看。 Sure!
NMEA Message Structure
To understand the NMEA message structure, let’s examine the popular $GPGGA message. This particular message was output from an RTK GPS receiver:
$GPGGA,181908.00,3404.7041778,N,07044.3966270,
W,4,13,1.00,495.144,M,29.200,M,0.10,0000*40
All NMEA messages start with the $ character, and each data field is separated by a comma.
GP represent that it is a GPS position (GL would denote GLONASS). ... |
|