ASCII time tag
Each time tag is output about 0.5 second before the corresponding pulse. Time tags are in ASCII format on a user-selected serial port. The format of a time tag is:
UTC yy.mm.dd hh:mm:ss ab
Where:
Value |
Description |
---|---|
UTC |
Fixed text. |
yy.mm.dd |
Year, month, and date. |
hh:mm:ss |
Hour (on a 24-hour clock), minute, and second. The time is in UTC, not GPS. |
a |
An integer number representing the position-fix type:
|
b |
The number of |
Each time tag is terminated by a carriage return, line feed sequence. A typical printout looks like:
UTC 02.12.21 20:21:16 56
UTC 02.12.21 20:21:17 56
UTC 02.12.21 20:21:18 56
NOTE – If the receiver is not tracking satellites, the time tag is based on the receiver clock. In this case, a and b are represented by “??”. The time readings from the receiver clock are less accurate than time readings determined from the satellite signals.