>Have this kind of data seen before, and can I handle it with a PIC?

That looks rather like the format used by the Motorola MC145027 chip set
designed for remote controls.
The data sheet is available here
http://e-www.motorola.com/files/rf_if/doc/data_sheet/MC145026.pdf

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.