Format of the meinberg gps time string, Format of the sat time string – Meinberg GPS161 User Manual
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Format of the Meinberg GPS Time String
The Meinberg Standard Time String is a sequence of 36 ASCII characters starting
with the STX (start-of-text) character and ending with the ETX (end-of-text) charac-
ter. Contrary to the Meinberg Standard Telegram the Meinberg GPS Timestring
carries no local timezone or UTC but the direct GPS time without conversion into
UTC.
The format is:
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:
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 synchr.)
‘ ‘ (space, 20h)
GPS: clock is synchronous (base accuracy is reached)
v:
‘*’ GPS: receiver has not checked its position
‘ ‘ (space, 20h)
GPS: receiver has determined its position
G
time zone indicator 'GPS-Time'
y
anouncement of discontinuity of time, enabled during last hour
before discontinuity comes in effect:
‘A’ announcement of leap second insertion
‘ ‘
(space, 20h) nothing announced
lll
Number of leap seconds between UTC and GPS-Time
( UTC = GPS-Time + number of leap seconds )
End-Of-Text (ASCII code 03h)