ffmpeg -i 0000000015b6e4b1.mpg -vcodec copy -acodec copy -ss 856 -t 636 Moab.mpg
ffmpeg version N-34781-gfa5daac Copyright (c) 2000-2012 the FFmpeg developers
  built on Apr 28 2012 17:06:11 with gcc 4.4.5
  configuration: --enable-gpl --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libx264 --enable-nonfree --enable-version3 --enable-x11grab
  libavutil      51. 48.100 / 51. 48.100
  libavcodec     54. 16.100 / 54. 16.100
  libavformat    54.  3.100 / 54.  3.100
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 72.100 /  2. 72.100
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0. 11.100 /  0. 11.100
  libpostproc    52.  0.100 / 52.  0.100
[h264 @ 0x16d0780] Increasing reorder buffer to 1
Input #0, mpegts, from '0000000015b6e4b1.mpg':
  Duration: 00:27:53.77, start: 154.090833, bitrate: 13592 kb/s
  Program 1
    Stream #0:0[0x1011]: Video: h264 (Main) (HDMV / 0x564D4448), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 59.96 fps, 59.94 tbr, 90k tbn, 119.88 tbc
    Stream #0:1[0x1100]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, 5.1(side), s16, 640 kb/s
[mpeg @ 0x16cf100] VBV buffer size not set, muxing may fail
Output #0, mpeg, to 'Moab.mpg':
  Metadata:
    encoder         : Lavf54.3.100
    Stream #0:0: Video: h264 (HDMV / 0x564D4448), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 59.96 fps, 90k tbn, 59.94 tbc
    Stream #0:1: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, 5.1(side), 640 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
buffer underflow i=1 bufi=2435 size=2560kB time=00:00:00.00 bitrate=   0.0kbits/s
[mpeg @ 0x16cf100] packet too large, ignoring buffer limits to mux it
[mpeg @ 0x16cf100] buffer underflow i=1 bufi=2435 size=2560
[mpeg @ 0x16cf100] buffer underflow i=1 bufi=2316 size=2560
[mpeg @ 0x16cf100] packet too large, ignoring buffer limits to mux it
[mpeg @ 0x16cf100] buffer underflow i=1 bufi=2316 size=2560
[mpeg @ 0x16cf100] buffer underflow i=1 bufi=2197 size=2560
[mpeg @ 0x16cf100] packet too large, ignoring buffer limits to mux it
[mpeg @ 0x16cf100] buffer underflow i=1 bufi=2197 size=2560
[mpeg @ 0x16cf100] buffer underflow i=1 bufi=2078 size=2560

This goes on for a long time but Pastebin won't allow me to post that many characters..

[mpeg @ 0x16cf100] buffer underflow i=1 bufi=2349 size=2560
frame=38103 fps=1932 q=-1.0 Lsize= 1019540kB time=00:10:36.00 bitrate=13132.0kbits/s
video:965191kB audio:49688kB global headers:0kB muxing overhead 0.459286%