My experience with ATSC is that it is as fast and accurate as the PC . Can you compress and send your logs?
Here is a snippet from mine on a 1080i QAM file I pressed the 5 then Next to skip 300 seconds and was playing in under .7 seconds
Code:
2012-03-02 17:24:56.309 [DEBUG][3] User pressed: D5
2012-03-02 17:24:57.103 [DEBUG][3] Raw PTS received:3451949
2012-03-02 17:24:57.103 [DEBUG][3] Reported PTS now:3430928 time: 76.2428444444444
2012-03-02 17:24:57.412 [DEBUG][3] User pressed: Right
2012-03-02 17:24:57.506 [DEBUG][7] requestedPositionInSeconds: 376
2012-03-02 17:24:57.689 [DEBUG][3] Raw PTS received:3471468
2012-03-02 17:24:57.689 [DEBUG][3] Reported PTS now:3450447 time: 76.6766
2012-03-02 17:24:58.171 [DEBUG][3] Raw PTS received:16932416
2012-03-02 17:24:58.171 [DEBUG][3] Reported PTS now:16911395 time: 375.808777777778
Martin