Hi,
A new version of the ATSC patch for VDR 1.7.13 is now available at
http://www.fepg.org/patches/vdr-1.7.13-atsc-0.1.0.diff
there is also a version of the patch compatible with the NA EIT patch
http://www.fepg.org/patches/vdr-1.7.13-atsc-tuning-0.1.0.diff
The source type for ATSC channels is now 'A' (instead of 'T' as in previous versions) so update your channels.conf accordingly. In addition, make sure to update your sources.conf with the patched version.