Exemplo n.º 1
0
	def set_sc_ena(self, sc_ena):
		self.sc_ena = sc_ena
		self._sc_ena_check_box.set_value(self.sc_ena)
		self.set_cur_freq(mh.scan_freq_out(self.sc_ena,self.sc_low,self.sc_high,self.freq,self.ifreq,self.scan_power+1.0e-14,self.thresh,self.sc_incr,self.scan_rate,self.sc_listm,self.sc_list))
Exemplo n.º 2
0
	def set_ifreq(self, ifreq):
		self.ifreq = ifreq
		self._ifreq_text_box.set_value(self.ifreq)
		self.set_cur_freq(mh.scan_freq_out(self.sc_ena,self.sc_low,self.sc_high,self.freq,self.ifreq,self.scan_power+1.0e-14,self.thresh,self.sc_incr,self.scan_rate,self.sc_listm,self.sc_list))
Exemplo n.º 3
0
	def set_sc_high(self, sc_high):
		self.sc_high = sc_high
		self._sc_high_text_box.set_value(self.sc_high)
		self.set_cur_freq(mh.scan_freq_out(self.sc_ena,self.sc_low,self.sc_high,self.freq,self.ifreq,self.scan_power+1.0e-14,self.thresh,self.sc_incr,self.scan_rate,self.sc_listm,self.sc_list))
Exemplo n.º 4
0
	def set_sc_incr(self, sc_incr):
		self.sc_incr = sc_incr
		self._sc_incr_chooser.set_value(self.sc_incr)
		self.set_cur_freq(mh.scan_freq_out(self.sc_ena,self.sc_low,self.sc_high,self.freq,self.ifreq,self.scan_power+1.0e-14,self.thresh,self.sc_incr,self.scan_rate,self.sc_listm,self.sc_list))
Exemplo n.º 5
0
	def set_sc_list(self, sc_list):
		self.sc_list = sc_list
		self.set_sc_list_len(len(self.sc_list))
		self.set_cur_freq(mh.scan_freq_out(self.sc_ena,self.sc_low,self.sc_high,self.freq,self.ifreq,self.scan_power+1.0e-14,self.thresh,self.sc_incr,self.scan_rate,self.sc_listm,self.sc_list))
Exemplo n.º 6
0
	def set_thresh(self, thresh):
		self.thresh = thresh
		self._thresh_slider.set_value(self.thresh)
		self._thresh_text_box.set_value(self.thresh)
		self.set_muted(0.0 if self.logpower >= self.thresh else 1)
		self.set_cur_freq(mh.scan_freq_out(self.sc_ena,self.sc_low,self.sc_high,self.freq,self.ifreq,self.scan_power+1.0e-14,self.thresh,self.sc_incr,self.scan_rate,self.sc_listm,self.sc_list))
Exemplo n.º 7
0
	def __init__(self, ahw="default", freq=150.0e6, ppm=0.0, vol=1.0, ftune=0.0, xftune=0.0, srate=1.0e6, upclo=0.0, devinfo="rtl=0", agc=0, arate=48.0e3, upce=0, mthresh=-10.0, offs=50.e3, flist="", dfifo="multimode_fifo", mbw=2.0e3, deemph=75.0e-6, dmode="NFM1"):
		grc_wxgui.top_block_gui.__init__(self, title="Multimode Radio Receiver")
		_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
		self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))

		##################################################
		# Parameters
		##################################################
		self.ahw = ahw
		self.freq = freq
		self.ppm = ppm
		self.vol = vol
		self.ftune = ftune
		self.xftune = xftune
		self.srate = srate
		self.upclo = upclo
		self.devinfo = devinfo
		self.agc = agc
		self.arate = arate
		self.upce = upce
		self.mthresh = mthresh
		self.offs = offs
		self.flist = flist
		self.dfifo = dfifo
		self.mbw = mbw
		self.deemph = deemph
		self.dmode = dmode

		##################################################
		# Variables
		##################################################
		self.sc_list_str = sc_list_str = flist
		self.zoom = zoom = 1
		self.thresh = thresh = mthresh
		self.scan_rate = scan_rate = 15
		self.scan_power = scan_power = 0
		self.sc_low = sc_low = 150e6
		self.sc_listm = sc_listm = False
		self.sc_list = sc_list = eval("["+sc_list_str+"]")
		self.sc_incr = sc_incr = 12.5e3
		self.sc_high = sc_high = 300e6
		self.sc_ena = sc_ena = False
		self.samp_rate = samp_rate = int(mh.get_good_rate(devinfo,srate))
		self.rf_power = rf_power = 0
		self.ifreq = ifreq = freq
		self.zoomed_lp = zoomed_lp = (samp_rate/2.1)/zoom
		self.wbfm = wbfm = 200e3
		self.rf_d_power = rf_d_power = 0
		self.mode = mode = dmode
		self.logpower = logpower = math.log10(rf_power+1.0e-14)*10.0
		self.cur_freq = cur_freq = mh.scan_freq_out(sc_ena,sc_low,sc_high,freq,ifreq,scan_power+1.0e-14,thresh,sc_incr,scan_rate,sc_listm,sc_list)
		self.bw = bw = mbw
		self.audio_int_rate = audio_int_rate = 40e3
		self.zoom_taps = zoom_taps = firdes.low_pass(1.0,samp_rate,zoomed_lp,zoomed_lp/3,firdes.WIN_HAMMING,6.76)
		self.xfine = xfine = xftune
		self.volume = volume = vol
		self.variable_static_text_1 = variable_static_text_1 = cur_freq
		self.variable_static_text_0_0 = variable_static_text_0_0 = samp_rate
		self.variable_static_text_0 = variable_static_text_0 = float(int(math.log10(rf_d_power+1.0e-14)*100.0)/10.0)
		self.upc_offset = upc_offset = upclo
		self.upc = upc = upce
		self.ssbo = ssbo = -bw/2 if mode == "LSB" else 0.0
		self.sc_list_len = sc_list_len = len(sc_list)
		self.rfgain = rfgain = 25
		self.record_file = record_file = "recording.wav"
		self.record = record = False
		self.offset = offset = offs
		self.muted = muted = 0.0 if logpower >= thresh else 1
		self.main_taps = main_taps = firdes.low_pass(1.0,wbfm,mh.get_mode_deviation(mode,bw)*1.05,mh.get_mode_deviation(mode,bw)/2.0,firdes.WIN_HAMMING,6.76)
		self.k = k = wbfm/(2*math.pi*mh.get_mode_deviation(mode,bw))
		self.iagc = iagc = agc
		self.freq_update = freq_update = 0
		self.fine = fine = ftune
		self.digi_rate = digi_rate = 50e3
		self.aratio = aratio = int(wbfm/audio_int_rate)

		##################################################
		# Blocks
		##################################################
		self.rf_probe = gr.probe_avg_mag_sqrd_c(0, 0.015)
		self.Main = self.Main = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
		self.Main.AddPage(grc_wxgui.Panel(self.Main), "Main Controls")
		self.Main.AddPage(grc_wxgui.Panel(self.Main), "Scan/Upconv Controls")
		self.Add(self.Main)
		self._zoom_chooser = forms.drop_down(
			parent=self.Main.GetPage(0).GetWin(),
			value=self.zoom,
			callback=self.set_zoom,
			label="Spectral Zoom Ratio",
			choices=[1, 2, 5, 10, 20, 50, 100],
			labels=[],
		)
		self.Main.GetPage(0).GridAdd(self._zoom_chooser, 1, 4, 1, 1)
		_xfine_sizer = wx.BoxSizer(wx.VERTICAL)
		self._xfine_text_box = forms.text_box(
			parent=self.Main.GetPage(0).GetWin(),
			sizer=_xfine_sizer,
			value=self.xfine,
			callback=self.set_xfine,
			label="Extra Fine Tuning",
			converter=forms.float_converter(),
			proportion=0,
		)
		self._xfine_slider = forms.slider(
			parent=self.Main.GetPage(0).GetWin(),
			sizer=_xfine_sizer,
			value=self.xfine,
			callback=self.set_xfine,
			minimum=-1.0e3,
			maximum=1.0e3,
			num_steps=200,
			style=wx.SL_HORIZONTAL,
			cast=float,
			proportion=1,
		)
		self.Main.GetPage(0).GridAdd(_xfine_sizer, 0, 3, 1, 1)
		_volume_sizer = wx.BoxSizer(wx.VERTICAL)
		self._volume_text_box = forms.text_box(
			parent=self.Main.GetPage(0).GetWin(),
			sizer=_volume_sizer,
			value=self.volume,
			callback=self.set_volume,
			label="Volume",
			converter=forms.float_converter(),
			proportion=0,
		)
		self._volume_slider = forms.slider(
			parent=self.Main.GetPage(0).GetWin(),
			sizer=_volume_sizer,
			value=self.volume,
			callback=self.set_volume,
			minimum=1.0,
			maximum=10.0,
			num_steps=100,
			style=wx.SL_HORIZONTAL,
			cast=float,
			proportion=1,
		)
		self.Main.GetPage(0).GridAdd(_volume_sizer, 0, 0, 1, 1)
		self._upc_offset_text_box = forms.text_box(
			parent=self.Main.GetPage(1).GetWin(),
			value=self.upc_offset,
			callback=self.set_upc_offset,
			label="Upconv. LO Freq",
			converter=forms.float_converter(),
		)
		self.Main.GetPage(1).GridAdd(self._upc_offset_text_box, 3, 2, 1, 2)
		self._upc_check_box = forms.check_box(
			parent=self.Main.GetPage(1).GetWin(),
			value=self.upc,
			callback=self.set_upc,
			label="Ext. Upconv.",
			true=1,
			false=0,
		)
		self.Main.GetPage(1).GridAdd(self._upc_check_box, 3, 0, 1, 1)
		_rfgain_sizer = wx.BoxSizer(wx.VERTICAL)
		self._rfgain_text_box = forms.text_box(
			parent=self.Main.GetPage(0).GetWin(),
			sizer=_rfgain_sizer,
			value=self.rfgain,
			callback=self.set_rfgain,
			label="RF Gain",
			converter=forms.float_converter(),
			proportion=0,
		)
		self._rfgain_slider = forms.slider(
			parent=self.Main.GetPage(0).GetWin(),
			sizer=_rfgain_sizer,
			value=self.rfgain,
			callback=self.set_rfgain,
			minimum=0,
			maximum=50,
			num_steps=200,
			style=wx.SL_HORIZONTAL,
			cast=float,
			proportion=1,
		)
		self.Main.GetPage(0).GridAdd(_rfgain_sizer, 2, 1, 1, 1)
		self._record_file_text_box = forms.text_box(
			parent=self.Main.GetPage(0).GetWin(),
			value=self.record_file,
			callback=self.set_record_file,
			label="Recording Filename",
			converter=forms.str_converter(),
		)
		self.Main.GetPage(0).GridAdd(self._record_file_text_box, 2, 3, 1, 3)
		self._record_check_box = forms.check_box(
			parent=self.Main.GetPage(0).GetWin(),
			value=self.record,
			callback=self.set_record,
			label="Record",
			true=True,
			false=False,
		)
		self.Main.GetPage(0).GridAdd(self._record_check_box, 2, 2, 1, 1)
		_offset_sizer = wx.BoxSizer(wx.VERTICAL)
		self._offset_text_box = forms.text_box(
			parent=self.Main.GetPage(0).GetWin(),
			sizer=_offset_sizer,
			value=self.offset,
			callback=self.set_offset,
			label="LO Offset",
			converter=forms.float_converter(),
			proportion=0,
		)
		self._offset_slider = forms.slider(
			parent=self.Main.GetPage(0).GetWin(),
			sizer=_offset_sizer,
			value=self.offset,
			callback=self.set_offset,
			minimum=25e3,
			maximum=500e3,
			num_steps=200,
			style=wx.SL_HORIZONTAL,
			cast=float,
			proportion=1,
		)
		self.Main.GetPage(0).GridAdd(_offset_sizer, 1, 3, 1, 1)
		self._mode_chooser = forms.drop_down(
			parent=self.Main.GetPage(0).GetWin(),
			value=self.mode,
			callback=self.set_mode,
			label="Mode",
			choices=mh.get_modes_values(),
			labels=mh.get_modes_names(),
		)
		self.Main.GetPage(0).GridAdd(self._mode_chooser, 0, 4, 1, 1)
		self._iagc_check_box = forms.check_box(
			parent=self.Main.GetPage(0).GetWin(),
			value=self.iagc,
			callback=self.set_iagc,
			label="AGC",
			true=1,
			false=0,
		)
		self.Main.GetPage(0).GridAdd(self._iagc_check_box, 2, 0, 1, 1)
		def _freq_update_probe():
			while True:
				val = self.rf_probe.level()
				try: self.set_freq_update(val)
				except AttributeError, e: pass
				time.sleep(1.0/(1.0/(2.5)))
		_freq_update_thread = threading.Thread(target=_freq_update_probe)
		_freq_update_thread.daemon = True
		_freq_update_thread.start()
		_fine_sizer = wx.BoxSizer(wx.VERTICAL)
		self._fine_text_box = forms.text_box(
			parent=self.Main.GetPage(0).GetWin(),
			sizer=_fine_sizer,
			value=self.fine,
			callback=self.set_fine,
			label="Fine Tuning",
			converter=forms.float_converter(),
			proportion=0,
		)
		self._fine_slider = forms.slider(
			parent=self.Main.GetPage(0).GetWin(),
			sizer=_fine_sizer,
			value=self.fine,
			callback=self.set_fine,
			minimum=-35e3,
			maximum=35e3,
			num_steps=100,
			style=wx.SL_HORIZONTAL,
			cast=float,
			proportion=1,
		)
		self.Main.GetPage(0).GridAdd(_fine_sizer, 0, 2, 1, 1)
		self.display_probe = gr.probe_avg_mag_sqrd_c(0, 0.002)
		_bw_sizer = wx.BoxSizer(wx.VERTICAL)
		self._bw_text_box = forms.text_box(
			parent=self.Main.GetPage(0).GetWin(),
			sizer=_bw_sizer,
			value=self.bw,
			callback=self.set_bw,
			label="AM/SSB Bandwidth",
			converter=forms.float_converter(),
			proportion=0,
		)
		self._bw_slider = forms.slider(
			parent=self.Main.GetPage(0).GetWin(),
			sizer=_bw_sizer,
			value=self.bw,
			callback=self.set_bw,
			minimum=1.0e3,
			maximum=audio_int_rate/2,
			num_steps=100,
			style=wx.SL_HORIZONTAL,
			cast=float,
			proportion=1,
		)
		self.Main.GetPage(0).GridAdd(_bw_sizer, 1, 2, 1, 1)
		self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
			self.Main.GetPage(0).GetWin(),
			baseband_freq=mh.get_last_returned(freq_update),
			dynamic_range=40,
			ref_level=0,
			ref_scale=2.0,
			sample_rate=samp_rate/zoom,
			fft_size=1024,
			fft_rate=4,
			average=True,
			avg_alpha=None,
			title="Spectrogram",
			win=window.hamming,
		)
		self.Main.GetPage(0).Add(self.wxgui_waterfallsink2_0.win)
		def wxgui_waterfallsink2_0_callback(x, y):
			self.set_freq(x)
		
		self.wxgui_waterfallsink2_0.set_callback(wxgui_waterfallsink2_0_callback)
		self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
			self.Main.GetPage(0).GetWin(),
			baseband_freq=mh.get_last_returned(freq_update),
			y_per_div=10,
			y_divs=10,
			ref_level=0,
			ref_scale=2.0,
			sample_rate=samp_rate/zoom,
			fft_size=1024,
			fft_rate=4,
			average=True,
			avg_alpha=0.1,
			title="Panorama",
			peak_hold=False,
			win=window.hamming,
		)
		self.Main.GetPage(0).Add(self.wxgui_fftsink2_0.win)
		def wxgui_fftsink2_0_callback(x, y):
			self.set_freq(x)
		
		self.wxgui_fftsink2_0.set_callback(wxgui_fftsink2_0_callback)
		self._variable_static_text_1_static_text = forms.static_text(
			parent=self.Main.GetPage(1).GetWin(),
			value=self.variable_static_text_1,
			callback=self.set_variable_static_text_1,
			label="Current Scan Freq",
			converter=forms.float_converter(),
		)
		self.Main.GetPage(1).GridAdd(self._variable_static_text_1_static_text, 0, 5, 1, 2)
		self._variable_static_text_0_0_static_text = forms.static_text(
			parent=self.Main.GetPage(0).GetWin(),
			value=self.variable_static_text_0_0,
			callback=self.set_variable_static_text_0_0,
			label="Actual srate",
			converter=forms.float_converter(),
		)
		self.Main.GetPage(0).GridAdd(self._variable_static_text_0_0_static_text, 1, 5, 1, 1)
		self._variable_static_text_0_static_text = forms.static_text(
			parent=self.Main.GetPage(0).GetWin(),
			value=self.variable_static_text_0,
			callback=self.set_variable_static_text_0,
			label="RF Level",
			converter=forms.float_converter(),
		)
		self.Main.GetPage(0).GridAdd(self._variable_static_text_0_static_text, 1, 0, 1, 1)
		_thresh_sizer = wx.BoxSizer(wx.VERTICAL)
		self._thresh_text_box = forms.text_box(
			parent=self.Main.GetPage(0).GetWin(),
			sizer=_thresh_sizer,
			value=self.thresh,
			callback=self.set_thresh,
			label="Mute Threshold",
			converter=forms.float_converter(),
			proportion=0,
		)
		self._thresh_slider = forms.slider(
			parent=self.Main.GetPage(0).GetWin(),
			sizer=_thresh_sizer,
			value=self.thresh,
			callback=self.set_thresh,
			minimum=-50,
			maximum=10,
			num_steps=100,
			style=wx.SL_HORIZONTAL,
			cast=float,
			proportion=1,
		)
		self.Main.GetPage(0).GridAdd(_thresh_sizer, 1, 1, 1, 1)
		def _scan_power_probe():
			while True:
				val = self.rf_probe.level()
				try: self.set_scan_power(val)
				except AttributeError, e: pass
				time.sleep(1.0/(scan_rate))
		_scan_power_thread = threading.Thread(target=_scan_power_probe)
		_scan_power_thread.daemon = True
		_scan_power_thread.start()
		self._sc_low_text_box = forms.text_box(
			parent=self.Main.GetPage(1).GetWin(),
			value=self.sc_low,
			callback=self.set_sc_low,
			label="Scan Low",
			converter=forms.float_converter(),
		)
		self.Main.GetPage(1).GridAdd(self._sc_low_text_box, 0, 1, 1, 1)
		self._sc_listm_check_box = forms.check_box(
			parent=self.Main.GetPage(1).GetWin(),
			value=self.sc_listm,
			callback=self.set_sc_listm,
			label="Scan List Mode",
			true=True,
			false=False,
		)
		self.Main.GetPage(1).GridAdd(self._sc_listm_check_box, 2, 0, 1, 1)
		self._sc_list_str_text_box = forms.text_box(
			parent=self.Main.GetPage(1).GetWin(),
			value=self.sc_list_str,
			callback=self.set_sc_list_str,
			label="Scan List",
			converter=forms.str_converter(),
		)
		self.Main.GetPage(1).GridAdd(self._sc_list_str_text_box, 2, 1, 1, 5)
		self._sc_incr_chooser = forms.drop_down(
			parent=self.Main.GetPage(1).GetWin(),
			value=self.sc_incr,
			callback=self.set_sc_incr,
			label="Scan Increment (Hz)",
			choices=[5.0e3,6.25e3,10.0e3,12.5e3,15e3,25e3],
			labels=[],
		)
		self.Main.GetPage(1).GridAdd(self._sc_incr_chooser, 0, 0, 1, 1)
		self._sc_high_text_box = forms.text_box(
			parent=self.Main.GetPage(1).GetWin(),
			value=self.sc_high,
			callback=self.set_sc_high,
			label="Scan High",
			converter=forms.float_converter(),
		)
		self.Main.GetPage(1).GridAdd(self._sc_high_text_box, 0, 2, 1, 1)
		self._sc_ena_check_box = forms.check_box(
			parent=self.Main.GetPage(1).GetWin(),
			value=self.sc_ena,
			callback=self.set_sc_ena,
			label="Scan Enable",
			true=True,
			false=False,
		)
		self.Main.GetPage(1).GridAdd(self._sc_ena_check_box, 0, 3, 1, 1)
		def _rf_power_probe():
			while True:
				val = self.rf_probe.level()
				try: self.set_rf_power(val)
				except AttributeError, e: pass
				time.sleep(1.0/(10))
		_rf_power_thread = threading.Thread(target=_rf_power_probe)
		_rf_power_thread.daemon = True
		_rf_power_thread.start()
		def _rf_d_power_probe():
			while True:
				val = self.display_probe.level()
				try: self.set_rf_d_power(val)
				except AttributeError, e: pass
				time.sleep(1.0/(5))
		_rf_d_power_thread = threading.Thread(target=_rf_d_power_probe)
		_rf_d_power_thread.daemon = True
		_rf_d_power_thread.start()
		self.osmosdr_source_c_0 = osmosdr.source_c( args="nchan=" + str(1) + " " + devinfo )
		self.osmosdr_source_c_0.set_sample_rate(samp_rate)
		self.osmosdr_source_c_0.set_center_freq(cur_freq+offset+(upc_offset*float(upc)), 0)
		self.osmosdr_source_c_0.set_freq_corr(ppm, 0)
		self.osmosdr_source_c_0.set_gain_mode(iagc, 0)
		self.osmosdr_source_c_0.set_gain(25 if iagc == 1 else rfgain, 0)
		self.osmosdr_source_c_0.set_if_gain(20, 0)
			
		self._ifreq_text_box = forms.text_box(
			parent=self.Main.GetPage(0).GetWin(),
			value=self.ifreq,
			callback=self.set_ifreq,
			label="Frequency",
			converter=forms.float_converter(),
		)
		self.Main.GetPage(0).GridAdd(self._ifreq_text_box, 0, 1, 1, 1)
		self.gr_wavfile_sink_0 = gr.wavfile_sink("/dev/null" if record == False else record_file, 1, int(audio_int_rate), 8)
		self.gr_quadrature_demod_cf_0 = gr.quadrature_demod_cf(k)
		self.gr_multiply_const_vxx_2 = gr.multiply_const_vff((1.0 if mh.get_mode_type(mode) == "FM" else 0.0, ))
		self.gr_multiply_const_vxx_1 = gr.multiply_const_vff((0.0 if muted else volume/4.5, ))
		self.gr_multiply_const_vxx_0_0_0 = gr.multiply_const_vff((0.85 if mh.get_mode_type(mode) == "AM" else 0.0, ))
		self.gr_multiply_const_vxx_0_0 = gr.multiply_const_vff((0.85 if mh.get_mode_type(mode) == "SSB" else 0.0, ))
		self.gr_multiply_const_vxx_0 = gr.multiply_const_vcc(((1.0/math.sqrt(mh.get_mode_deviation(mode,bw))*250), ))
		self.gr_keep_one_in_n_1 = gr.keep_one_in_n(gr.sizeof_gr_complex*1, aratio)
		self.gr_keep_one_in_n_0_0 = gr.keep_one_in_n(gr.sizeof_gr_complex*1, zoom)
		self.gr_keep_one_in_n_0 = gr.keep_one_in_n(gr.sizeof_gr_complex*1, int(wbfm/digi_rate))
		self.gr_freq_xlating_fir_filter_xxx_0_1 = gr.freq_xlating_fir_filter_ccc(1, (1.0, ), (offset+fine+xfine)/(samp_rate/1.0e6), samp_rate)
		self.gr_fractional_interpolator_xx_0 = gr.fractional_interpolator_ff(0, audio_int_rate/arate)
		self.gr_file_sink_0 = gr.file_sink(gr.sizeof_gr_complex*1, "/dev/null" if mh.get_mode_type(mode) != "DIG" else dfifo)
		self.gr_file_sink_0.set_unbuffered(True)
		self.gr_fft_filter_xxx_3 = gr.fft_filter_ccc(1, (zoom_taps), 1)
		self.gr_fft_filter_xxx_2_0 = gr.fft_filter_fff(5, (firdes.low_pass(1.0,wbfm,14.5e3,8.5e3,firdes.WIN_HAMMING,6.76)), 1)
		self.gr_fft_filter_xxx_2 = gr.fft_filter_ccc(1, (main_taps), 1)
		self.gr_fft_filter_xxx_0 = gr.fft_filter_ccc(int(samp_rate/wbfm), (firdes.low_pass(1.0,samp_rate,98.5e3,66e3,firdes.WIN_HAMMING,6.76)), 1)
		self.gr_feedforward_agc_cc_0 = gr.feedforward_agc_cc(1024, 0.75)
		self.gr_complex_to_real_0 = gr.complex_to_real(1)
		self.gr_complex_to_mag_squared_0 = gr.complex_to_mag_squared(1)
		self.gr_add_xx_0 = gr.add_vff(1)
		self.blks2_fm_deemph_0 = blks2.fm_deemph(fs=audio_int_rate, tau=deemph)
		self.audio_sink_0 = audio.sink(int(arate), ahw, True)

		##################################################
		# Connections
		##################################################
		self.connect((self.gr_multiply_const_vxx_0_0, 0), (self.gr_add_xx_0, 1))
		self.connect((self.gr_fractional_interpolator_xx_0, 0), (self.gr_multiply_const_vxx_1, 0))
		self.connect((self.gr_multiply_const_vxx_1, 0), (self.audio_sink_0, 0))
		self.connect((self.gr_multiply_const_vxx_1, 0), (self.audio_sink_0, 1))
		self.connect((self.gr_feedforward_agc_cc_0, 0), (self.gr_complex_to_mag_squared_0, 0))
		self.connect((self.osmosdr_source_c_0, 0), (self.gr_freq_xlating_fir_filter_xxx_0_1, 0))
		self.connect((self.gr_multiply_const_vxx_0_0_0, 0), (self.gr_add_xx_0, 2))
		self.connect((self.gr_feedforward_agc_cc_0, 0), (self.gr_complex_to_real_0, 0))
		self.connect((self.gr_complex_to_real_0, 0), (self.gr_multiply_const_vxx_0_0, 0))
		self.connect((self.gr_multiply_const_vxx_2, 0), (self.gr_add_xx_0, 0))
		self.connect((self.gr_complex_to_mag_squared_0, 0), (self.gr_multiply_const_vxx_0_0_0, 0))
		self.connect((self.gr_multiply_const_vxx_0, 0), (self.display_probe, 0))
		self.connect((self.gr_multiply_const_vxx_0, 0), (self.rf_probe, 0))
		self.connect((self.gr_add_xx_0, 0), (self.gr_fractional_interpolator_xx_0, 0))
		self.connect((self.gr_add_xx_0, 0), (self.gr_wavfile_sink_0, 0))
		self.connect((self.gr_freq_xlating_fir_filter_xxx_0_1, 0), (self.gr_fft_filter_xxx_0, 0))
		self.connect((self.gr_keep_one_in_n_0, 0), (self.gr_file_sink_0, 0))
		self.connect((self.gr_freq_xlating_fir_filter_xxx_0_1, 0), (self.gr_fft_filter_xxx_3, 0))
		self.connect((self.gr_fft_filter_xxx_3, 0), (self.gr_keep_one_in_n_0_0, 0))
		self.connect((self.gr_keep_one_in_n_0_0, 0), (self.wxgui_fftsink2_0, 0))
		self.connect((self.gr_keep_one_in_n_0_0, 0), (self.wxgui_waterfallsink2_0, 0))
		self.connect((self.blks2_fm_deemph_0, 0), (self.gr_multiply_const_vxx_2, 0))
		self.connect((self.gr_quadrature_demod_cf_0, 0), (self.gr_fft_filter_xxx_2_0, 0))
		self.connect((self.gr_fft_filter_xxx_2, 0), (self.gr_keep_one_in_n_0, 0))
		self.connect((self.gr_fft_filter_xxx_2, 0), (self.gr_multiply_const_vxx_0, 0))
		self.connect((self.gr_fft_filter_xxx_0, 0), (self.gr_fft_filter_xxx_2, 0))
		self.connect((self.gr_keep_one_in_n_1, 0), (self.gr_feedforward_agc_cc_0, 0))
		self.connect((self.gr_fft_filter_xxx_2, 0), (self.gr_keep_one_in_n_1, 0))
		self.connect((self.gr_fft_filter_xxx_2, 0), (self.gr_quadrature_demod_cf_0, 0))
		self.connect((self.gr_fft_filter_xxx_2_0, 0), (self.blks2_fm_deemph_0, 0))