TCG 01 User Manual
9
th
Edition: February 2007
Page 47 of 49
E.10 NMEA RMC Time Code O/P on P4
Placeholder
Content
$GPZDA
ASCII “$GPRMC”
,
ASCII “,” (comma)
hhmmss
UTC hour of day, minute of day, seconds
.
ASCII “.” (full stop)
0
ASCII “0”
a
Status: “A” = valid, “V” = invalid
tt,tt.tttt
Latitude (degrees, minutes): “00,00.0000”—“89,59.9999”
N
Latitude (north/south): “N” = north, “S” = south
ggg,gg,gggg Longitude
(degrees,
minutes):
“000,00.0000”—
“359,59.9999”
W
Longitude (east/west): “E” = east, “W” = west
DDMMYY
UTC day of month, month, 2-digit year:
E*
ASCII “E*”
CC
2-digit hex representation of the result of XORing the 8
data bits of each character between, but not including the
"$" and "*".
<CR><LF>
HEX 0A, 0D
About
This string is compatible with and defined by the NMEA-0183 standard
Timing
Transmission is once every second. The leading edge of the “start” bit of
the “$” is exactly on the second.
Comms
9600bd, 8-bit ASCII, no parity
Definition $GPRMC,hhmmss.00,a,tt,tt.tttt,n,ggg,gg.gggg,w,0.0,0.0,DDMMYY,0.0,E*CC
<CR><LF>