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diff --git a/gnuradio-core/src/python/gnuradio/blks2impl/qam64.py b/gnuradio-core/src/python/gnuradio/blks2impl/qam64.py
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--- a/gnuradio-core/src/python/gnuradio/blks2impl/qam64.py
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@@ -1,208 +0,0 @@
-#
-# Copyright 2005,2006,2007 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.
-#
-
-# See gnuradio-examples/python/digital for examples
-
-"""
-differential QPSK modulation and demodulation.
-"""
-
-from gnuradio import gr, gru, modulation_utils
-from math import pi, sqrt
-import qam
-import cmath
-from pprint import pprint
-
-# default values (used in __init__ and add_options)
-_def_samples_per_symbol = 2
-_def_excess_bw = 0.35
-_def_gray_code = True
-_def_verbose = False
-_def_log = False
-
-_def_costas_alpha = None
-_def_gain_mu = 0.03
-_def_mu = 0.05
-_def_omega_relative_limit = 0.005
-
-
-# /////////////////////////////////////////////////////////////////////////////
-# QAM64 modulator
-# /////////////////////////////////////////////////////////////////////////////
-
-class qam64_mod(gr.hier_block2):
-
- def __init__(self,
- samples_per_symbol=_def_samples_per_symbol,
- excess_bw=_def_excess_bw,
- gray_code=_def_gray_code,
- verbose=_def_verbose,
- log=_def_log):
-
- """
- Hierarchical block for RRC-filtered QPSK modulation.
-
- The input is a byte stream (unsigned char) and the
- output is the complex modulated signal at baseband.
-
- @param samples_per_symbol: samples per symbol >= 2
- @type samples_per_symbol: integer
- @param excess_bw: Root-raised cosine filter excess bandwidth
- @type excess_bw: float
- @param gray_code: Tell modulator to Gray code the bits
- @type gray_code: bool
- @param verbose: Print information about modulator?
- @type verbose: bool
- @param debug: Print modualtion data to files?
- @type debug: bool
- """
-
- gr.hier_block2.__init__(self, "qam64_mod",
- gr.io_signature(1, 1, gr.sizeof_char), # Input signature
- gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature
- self._samples_per_symbol = samples_per_symbol
- self._excess_bw = excess_bw
- self._gray_code = gray_code
-
- if not isinstance(samples_per_symbol, int) or samples_per_symbol < 2:
- raise TypeError, ("sbp must be an integer >= 2, is %d" % samples_per_symbol)
-
- ntaps = 11 * samples_per_symbol
-
- arity = pow(2, self.bits_per_symbol())
-
- # turn bytes into k-bit vectors
- self.bytes2chunks = \
- gr.packed_to_unpacked_bb(self.bits_per_symbol(), gr.GR_MSB_FIRST)
-
- if self._gray_code:
- self.symbol_mapper = gr.map_bb(qam.binary_to_gray[arity])
- else:
- self.symbol_mapper = gr.map_bb(qam.binary_to_ungray[arity])
-
- self.diffenc = gr.diff_encoder_bb(arity)
-
- rot = 1.0
- print "constellation with %d arity" % arity
- rotated_const = map(lambda pt: pt * rot, qam.constellation[arity])
- self.chunks2symbols = gr.chunks_to_symbols_bc(rotated_const)
-
- # pulse shaping filter
- self.rrc_taps = gr.firdes.root_raised_cosine(
- self._samples_per_symbol, # gain (sps since we're interpolating by sps)
- self._samples_per_symbol, # sampling rate
- 1.0, # symbol rate
- self._excess_bw, # excess bandwidth (roll-off factor)
- ntaps)
-
- self.rrc_filter = gr.interp_fir_filter_ccf(self._samples_per_symbol, self.rrc_taps)
-
- if verbose:
- self._print_verbage()
-
- if log:
- self._setup_logging()
-
- # Connect
- self.connect(self, self.bytes2chunks, self.symbol_mapper, self.diffenc,
- self.chunks2symbols, self.rrc_filter, self)
-
- def samples_per_symbol(self):
- return self._samples_per_symbol
-
- def bits_per_symbol(self=None): # staticmethod that's also callable on an instance
- return 6
- bits_per_symbol = staticmethod(bits_per_symbol) # make it a static method. RTFM
-
- def _print_verbage(self):
- print "bits per symbol = %d" % self.bits_per_symbol()
- print "Gray code = %s" % self._gray_code
- print "RRS roll-off factor = %f" % self._excess_bw
-
- def _setup_logging(self):
- print "Modulation logging turned on."
- self.connect(self.bytes2chunks,
- gr.file_sink(gr.sizeof_char, "bytes2chunks.dat"))
- self.connect(self.symbol_mapper,
- gr.file_sink(gr.sizeof_char, "graycoder.dat"))
- self.connect(self.diffenc,
- gr.file_sink(gr.sizeof_char, "diffenc.dat"))
- self.connect(self.chunks2symbols,
- gr.file_sink(gr.sizeof_gr_complex, "chunks2symbols.dat"))
- self.connect(self.rrc_filter,
- gr.file_sink(gr.sizeof_gr_complex, "rrc_filter.dat"))
-
- def add_options(parser):
- """
- Adds QAM modulation-specific options to the standard parser
- """
- parser.add_option("", "--excess-bw", type="float", default=_def_excess_bw,
- help="set RRC excess bandwith factor [default=%default] (PSK)")
- parser.add_option("", "--no-gray-code", dest="gray_code",
- action="store_false", default=_def_gray_code,
- help="disable gray coding on modulated bits (PSK)")
- add_options=staticmethod(add_options)
-
-
- def extract_kwargs_from_options(options):
- """
- Given command line options, create dictionary suitable for passing to __init__
- """
- return modulation_utils.extract_kwargs_from_options(qam64_mod.__init__,
- ('self',), options)
- extract_kwargs_from_options=staticmethod(extract_kwargs_from_options)
-
-
-# /////////////////////////////////////////////////////////////////////////////
-# QAM16 demodulator
-#
-# /////////////////////////////////////////////////////////////////////////////
-
-class qam64_demod(gr.hier_block2):
-
- def __init__(self,
- samples_per_symbol=_def_samples_per_symbol,
- excess_bw=_def_excess_bw,
- costas_alpha=_def_costas_alpha,
- gain_mu=_def_gain_mu,
- mu=_def_mu,
- omega_relative_limit=_def_omega_relative_limit,
- gray_code=_def_gray_code,
- verbose=_def_verbose,
- log=_def_log):
-
- gr.hier_block2.__init__(self, "qam64_demod",
- gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
- gr.io_signature(1, 1, gr.sizeof_char)) # Output signature
-
- # do this
- pass
-
- def bits_per_symbol(self=None): # staticmethod that's also callable on an instance
- return 6
- bits_per_symbol = staticmethod(bits_per_symbol) # make it a static method. RTFM
-
-#
-# Add these to the mod/demod registry
-#
-# NOT READY TO BE USED YET -- ENABLE AT YOUR OWN RISK
-#modulation_utils.add_type_1_mod('qam64', qam64_mod)
-#modulation_utils.add_type_1_demod('qam16', qam16_demod)