1pps to 10 MHz timing, the big picture...


1pps to 10 MHz timing, Detail


1pps to 10 MHz timing, and 10 MHz sin timing


<CR><LF> start bit timing


data burst to <CR><LF> delay

From the manual,
Table 1
Protocol 1
Time Information
Field
 Definition
(SOH) Start of Header (ASCII control character %x01).
DDD Day of Year. HH Hours (24-hour clock).
MM Minutes. SS Seconds.
Q Quality indicator (see description below).
(CR) Carriage Return (ASCII control character %x0D).
(LF) Line Feed (ASCII control character %x0A).

The on-time point is at the beginning of the Carriage Return character, as shown in screen snaps above.

Example String:
243:17:52:20

The official documentation omits the fact that the date and time fields are separated by the :":" character  %x3B

Quality Characters
ASCII HEX Meaning
(space) %x20 < 1 microsecond
. %x2E < 10 microseconds
* %x2A < 100 microseconds
# %x23 < 1 millisecond
? %x3F > 1 millisecond (unknown)

8/31/04 gtp