[time-nuts] Enhancing the TIC232 code for better data

[Glenn]

Didier Juges wrote:

>Second thoughts about inverting the UTC 1PPS. I have read in a previous 
>post that for most GPS receivers, only the leading edge of the 1PPS 
>pulse is tightly controlled (and intended to be synchronous with the 
>satellite signal), the falling edge is not. If this is true, we want to 
>make sure we keep that edge the way it is and then invert the 1PPS from 
>the DUT, if this is possible.
>  
>

FYI- according to the engineering note on the Oncore UT+ the 1 PPS is 
200ms long +/- 1ms. You could have the GPS unit offset the 1 PPS by 500ms.

cheers,
glenn