Format of the Meinberg Standard Time String



The Meinberg Standard Time String is a sequence of 32 ASCII characters starting with the STX (Start-of-Text) and ending with the ETX (End-of-Text) character. The format is:

<STX>D:dd.mm.yy;T:w;U:hh.mm.ss;uvxy<ETX>

The letters displayed in italics are replaced by ASCII numbers whereas the other characters are part of the time string. The groups of characters as defined below:

<STX> Start-Of-Text (ASCII code 02h)
dd.mm.yy the current date:
dd day of month (01..31)
mm month (01..12)
yy year of the century (00..99)
w the day of the week (1..7, 1 = monday)
hh.mm.ss the current time:
hh hours (00..23)
mm minutes (00..59)
ss seconds (00..59, or 60 while leap second)
uv clock status characters (depending on clock type):
u:
'#' GPS: clock is running free (without exact synchronisation)
PZF: time frame not synchronized
DCF77: clock has not synchronized after reset
' ' (space, 20h)
GPS: clock is GPS synchronous (base accuracy is reached)
PZF: time frame is synchronized
DCF77: clock has synchronized after reset
v:
'*' GPS: receiver has not checked its position
PZF/DCF77: clock currently runs on XTAL
' ' (space, 20h)
GPS: receiver has determined its position
PZF/DCF77: clock is syncronized with transmitter
x time zone indicator:
'U' UTC Universal Time Coordinated
' ' MEZ European Standard Time, daylight saving disabled
'S' MESZ European Summertime, daylight saving enabled
y anouncement of discontinuity of time, enabled during last hour before discontinuity comes in effect:
'!' announcement of start or end of daylight saving
'A' announcement of leap second insertion
' ' (space, 20h) nothing announced
<ETX> End-Of-Text (ASCII code 03h)

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