Sunsea AIoT SIMCom SIM66 Series, Руководство пользователя, Страница: 22 / 25

SIM66 Series_NMEA Message_User Guide_V1.01
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kph DOUBLE Speed over ground, unit: km/h
K STR Unit of speed, specified to constant K
mode STR
Positioning mode
N Not positioning
A Point positioning
E INS positioning
cs STR
Checksum
A hexadecimal number obtained by calculating an XOR of
all characters from '$' to '*' in this statement
<CR><LF> End of message termination
(1): GPS+SBAS+QZSS joint positioning is only supported by firmware with the version of R3.4.0.0 or
above.
2.4.7 Message ID ZDA: Output Date and Time
Syntax:$ZDA,time,day,mon,year,ltzh,ltzn*cs
Example:$GNZDA,083927.000,21,11,2013,00,00*4C
Parameter Format Description
-- STR
Positioning system flag
GP GPS+SBAS+QZSS joint positioning(1)
BD BDS system standalone positioning
GN Multiple system joint positioning
time STR
UTC time, in the format of hhmmss.sss
hh Hours
mm Minutes
ss.sss Seconds
day UINT UTC day with two digits, 01~31
mon UINT UTC month with two digits, 01~12
year UINT UTC year with four digits
ltzh UINT Hours in local time zone (fixedly output 00)
ltzn UINT Minutes in local time zone (fixedly output 00)
cs STR
Checksum
A hexadecimal number obtained by calculating an XOR of
all characters from '$' to '*' in this statement
<CR><LF> End of message termination
(1): GPS+SBAS+QZSS joint positioning is only supported by firmware with the version of R3.4.0.0
or above
NOTE
NOTE