Format Of The Uni Erlangen String (Ntp) - Meinberg LANTIME/GPS Operating Instructions Manual

Format of the Uni Erlangen String (NTP)

The time string Uni Erlangen (NTP) of a GPS-clock is a sequence of 66 ASCII
characters starting with the STX (start-of-text) character and ending with the ETX
(end-of-text) character. The format is:
<STX>tt.mm.jj; w; hh:mm:ss; voo:oo; acdfg i;bbb.bbbbn lll.lllle hhhhm<ETX>
The letters printed 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)
sending with one bit occuracy at change of second
dd.mm.yy the current date:
hh.mm.ss the current time:
v sign of the offset of local time zone related to UTC
oo:oo offset of local time zone related to UTC in hours and minutes
ac clock status characters:
d time zone indicator:
f announcement of discontinuity of time, enabled during last hour before
discontinuity comes in effect:
g announcement of discontinuity of time, enabled during last hour before
discontinuity comes in effect:
dd day of month
mm month
yy year of the century
w the day of the week
hh hours
mm minutes
ss seconds
a: '#' clock has not synchronized after reset
' ' (space, 20h) clock has synchronized after reset
c: '*' GPS receiver has not checked its position
' ' (space, 20h) GPS receiver has determined its position
'S' MESZ European Summertime, daylight saving enabled
' ' MEZ European Standard Time, daylight saving disabled
'!' announcement of start or end of daylight saving time
' ' (space, 20h) nothing announced
'A' announcement of leap second insertion
' ' (space, 20h) nothing announced
(01..31)
(01..12)
(00..99)
(1..7, 1 = Monday)
(00..23)
(00..59)
(00..59, or 60 while leap second)
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