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9.2 Time Strings
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9.2 Time Strings
9.2.1 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)
character 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 printed in italics are replaced by ASCII numbers whereas the other
characters are part of the time string. The groups of characters as dened below:
<STX>
Start-Of-Text, ASCII Code 02h
sending with one bit accuracy at change of second
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.)
PZF: time frame not synchronized
DCF77: clock has not synchronized after reset
` `
(space, 20h)
GPS: clock is 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, formerly GMT
` `
CET
European Standard Time, daylight saving disabled
`S'
(CEST) European Summertime, daylight saving enabled
y
anouncement of discontinuity of time, enabled during last hour before discontinuity comes in eect:
`!'
announcement of start or end of daylight saving time
`A'
announcement of leap second insertion
` `
(space, 20h) nothing announced
<ETX>
End-Of-Text, ASCII Code 03h
GPS164
Date: 27th January 2016
25
Содержание GPS164-LQ/PPFO-3/REL-1/DAHS
Страница 1: ...MANUAL GPS164 PPFO 3 REL 1 DAHS 27th January 2016 Meinberg Radio Clocks GmbH Co KG ...
Страница 2: ......
Страница 6: ...Page 2 1 General Details 2 Date 27th January 2016 GPS164 ...
Страница 16: ...Page 12 6 GPS164 Features 6 4 4 IRIG Standard Format 12 Date 27th January 2016 GPS164 ...
Страница 17: ...6 4 Time code outputs Page 13 6 4 5 AFNOR Standard Format GPS164 Date 27th January 2016 13 ...