10 Technical Appendix
10.7.14 Format of the ION Blanked Time String
The ION Blanked time string is a sequence of 16 ASCII characters starting with the SOH (Start of Header)
ASCII controll character and ending with the LF (line feed, ASCII Code 0Ah) character. The format is:
<SOH>ddd:hh:mm:ssq<CR><LF>
Attention: Intervall of the String: 2min. 30 seconds every 5 minutes.
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:
<SOH>
Start of Header (ASCII control character)
sending with one bit accuracy at change of second
ddd
day of year
(001..366)
hh:mm:ss
the current time:
hh
hours
(00..23)
mm
minutes
(00..59)
ss
seconds
(00..59, or 60 while leap second)
q
Quality
indicator
(space) Time Sync (GPS lock)
(?) no Time Sync (GPS fail)
<CR>
Carriage-return (ASCII code 0Dh)
<LF>
Line-Feed (ASCII code 0Ah)
microSync
Date: 22nd June 2020
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