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diff --git a/gr-dtv/lib/atsc/atsc_deinterleaver_impl.h b/gr-dtv/lib/atsc/atsc_deinterleaver_impl.h
new file mode 100644
index 0000000000..75eb7e877d
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+++ b/gr-dtv/lib/atsc/atsc_deinterleaver_impl.h
@@ -0,0 +1,75 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2014 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_DTV_ATSC_DEINTERLEAVER_IMPL_H
+#define INCLUDED_DTV_ATSC_DEINTERLEAVER_IMPL_H
+
+#include <gnuradio/dtv/atsc_deinterleaver.h>
+#include "atsc_types.h"
+#include "interleaver_fifo.h"
+
+namespace gr {
+  namespace dtv {
+
+    class atsc_deinterleaver_impl : public atsc_deinterleaver
+    {
+    private:
+      //! transform a single symbol
+      unsigned char transform(unsigned char input) {
+        unsigned char retval = m_fifo[m_commutator]->stuff(input);
+        m_commutator++;
+        if (m_commutator >= 52)
+          m_commutator = 0;
+        return retval;
+      }
+
+      /*!
+       * Note: The use of the alignment_fifo keeps the encoder and decoder
+       * aligned if both are synced to a field boundary.  There may be other
+       * ways to implement this function.  This is a best guess as to how
+       * this should behave, as we have no test vectors for either the
+       * interleaver or deinterleaver.
+       */
+      interleaver_fifo<unsigned char> alignment_fifo;
+
+      int m_commutator;
+      std::vector<interleaver_fifo<unsigned char> *> m_fifo;
+
+    public:
+      atsc_deinterleaver_impl();
+      ~atsc_deinterleaver_impl();
+
+      int work(int noutput_items,
+               gr_vector_const_void_star &input_items,
+               gr_vector_void_star &output_items);
+
+      //! reset interleaver (flushes contents and resets commutator)
+      void reset();
+
+      //! sync interleaver (resets commutator, but doesn't flush fifos)
+      void sync() { m_commutator = 0; }
+    };
+
+  } /* namespace dtv */
+} /* namespace gr */
+
+#endif /* INCLUDED_DTV_ATSC_DEINTERLEAVER_IMPL_H */