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13

RGPSM002

GPS Receiver

5.3.8

ZDA—Time & Date

Description: This message reports current time and date. The ZDA message is defined in Table 16.

Name

Example

Units

Description

Message ID

$GPZDA

ZDA protocol header

Hour, Min, Sec, Sub Sec

114523.62

hhmmss.ss

Day

12

day in UTC, 01 to 31

Month

04

month in UTC, 01 to 12

Year

2001

year in UTC

Local Zone Hours

10

local zone hours, +/- 13 hours

Local Zone Minutes

34

local zone minutes, 0 to +59

<CR><LF>

End of message termination

Table 16 ZDA Data Format

Example: The values reported in this example are interpreted as shown in Table 15:

$GPZDA,114523.62,12,04,2001,10,34*6E

5.3.9

GPQ—NMEA Sentence Query

Description: Query of a specific NMEA sentence. Any GGA, GLL, GSA, GSV, RMC, VTG, or ZDA sentence can be

queried manually by sending this query sentence to the receiver. The requested sentence will be sent only once. The

GPQ message is defined in Table 17.

Name

Example

Units

Description

Message ID

$GPGPQ

GPQ protocol header

NMEA id

RMC

Identifier of the requested NMEA sentence:

GGA, GLL, GSA, GSV, RMC, VTG, or ZDA

<CR><LF>

End of message termination

Table 17 – GPQ Data format

Example: $GPGPQ,RMC*21

$GPRMC,161229.487,A,3723.2475,N,12158.3416,W,0.13,309.62,120598, 02.6,W,A*10