S A N J O S E N A V I G A T I O N , I N C .
P r o f e s s i o n a l i n N a v i g a t i o n & C o m m u n i c a t i o n
S
S
A
A
N
N
J
J
O
O
S
S
E
E
N
N
A
A
V
V
I
I
G
G
A
A
T
T
I
I
O
O
N
N
,
,
I
I
N
N
C
C
.
.
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30
ISO 9001
NO. T2000-351
8.7 $GPZDA (out) – Date/Time
Example
$GPZDA ,123456 ,01 ,02 ,1997 ,+09 ,00 *6B CR
LF
Field# 1
2 3 4 5 6 7
#. Description
Range
[Bytes]
1. UTC: Time
“12”: hh
“34”: mm
“56”: ss
00-23
00-59
00-59
[2]
[2]
[2]
2. UTC: Day of Month
“01”: DD
01-31
[2]
3. UTC: Month
“02”: MM
01-12
[2]
4. UTC: Year
“1997”: YYYY
1997-2040
[4]
5. Local Zone Time (Hour)
“+09”: hh
-13…+00…+13
[3]
(-/+: East/west of date line)
6. Local Zone Time (Minute)
“00”: mm
00 to 59
[2]
Note: Local zone time setting is used for calculating local time when outputting &PFEC, GPast:
(Local Time) = (UTC) – (Local Zone Time)
7. Checksum
[2]
8. Checksum
Interpreting Example
February 1, 1997
12:34:56
Local Zone Time: +09:00
