GPS-721 User Manual
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GPS-721 User Manual V2.0, Oct. 2010
There will be no response if the command syntax is incorrect,
there is a communication error, or there is no module with the
specified address.
C
N or S (North or South)
NNNNN.NNNN
Longitude
C
E or W (East or West)
S
S=The satellites in view: Range 0~12
DDMMYY
Date: D (day), M (month), Y (year)
If there are not enough GPS satellite signals, the data will be set as
9.
Examples:
Command: #011
Response: !01999999.999
Reads the UTC time of module 01 and the module
returns a valid response. The response shows the
GPS data is invalid.
Command: #012
Response: !012451.7057,N,12100.9904,E
Reads the Latitude and longitude for module 01.
Latitude, Longitude: 2451.7056,N,12100.9903,E
Command: #013
Response: !019
Reads the number of satellites in view for module 01
and indicates that there are 9.
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