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diff --git a/gr-atsc/include/atsc/GrAtscFPLL.h b/gr-atsc/include/atsc/GrAtscFPLL.h
new file mode 100644
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+++ b/gr-atsc/include/atsc/GrAtscFPLL.h
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+/* -*- c++ -*- */
+/*
+ * Copyright 2002 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 _GRATSCFPLL_H_
+#define _GRATSCFPLL_H_
+
+#include <blocks/nco.h>
+#include <filter/iir.h>
+#include <filter/single_pole_iir.h>
+#include <analog/agc.h>
+#include <VrSigProc.h>
+#include <stdio.h>
+#include <atsc/diag_output_impl.h>
+
+/*!
+ * \brief ATSC FPLL (2nd Version)
+ *
+ * Used as follows:
+ *                         float	      float
+ *  A/D --> GrFIRfilterFFF ----> GrAtscFPLL ---->
+ *
+ * We use GrFIRfilterFFF to bandpass filter the signal of interest.
+ *
+ * This class accepts a single real input and produces a single real output
+ */
+
+class GrAtscFPLL : public VrSigProc {
+ protected:
+
+  typedef float  iType;
+  typedef float	 oType;
+
+ public:
+
+  GrAtscFPLL (double a_initial_freq);
+  virtual ~GrAtscFPLL () {}
+
+  virtual const char *name () { return "GrAtscFPLL"; }
+
+  virtual void initialize ();
+
+  virtual int work (VrSampleRange output, void *o[],
+		    VrSampleRange inputs[], void *i[]);
+
+
+  // diagnostic routines
+  void set_initial_phase (double phase) { initial_phase = phase; }	   // radians
+  void set_no_update (bool a_no_update) { debug_no_update = a_no_update; }
+
+
+ protected:
+
+  double			initial_freq;
+  double			initial_phase;
+  bool				debug_no_update;
+  gr_nco<float,float>		nco;
+  gr_agc			agc;	// automatic gain control
+  gr_single_pole_iir<float,float,float>	afci;
+  gr_single_pole_iir<float,float,float>	afcq;
+
+#ifdef _FPLL_DIAG_OUTPUT_
+  FILE				*fp;
+#endif
+
+};
+
+
+#endif // _GRATSCFPLL_H_