Sat Jul 3 12:41:05 2010 blks2_wfm_rcv id blks2_wfm_rcv_0 _enabled True quad_rate samp_rate audio_decimation 5 _coordinate (708, 280) _rotation 0 gr_freq_xlating_fir_filter_xxx id xlating_fir_filter _enabled True type ccc decim 1 taps xlate_filter_taps center_freq -(offset_coarse+offset_fine) samp_rate samp_rate _coordinate (426, 264) _rotation 0 variable id samp_rate _enabled True value 64e6/256 _coordinate (234, 23) _rotation 0 variable_slider id offset_fine _enabled True label Fine tune value 0 min -1000 max 1000 num_steps 400 style wx.SL_HORIZONTAL converver float_converter grid_pos 6,0,1,2 notebook _coordinate (12, 253) _rotation 0 variable_slider id cutoff _enabled True label Filter cutoff (kHz) value 40 min 20 max 60 num_steps 800 style wx.SL_HORIZONTAL converver float_converter grid_pos 7,0,1,1 notebook _coordinate (12, 401) _rotation 0 variable_slider id rf_gain _enabled True label RF value 20 min 0 max 50 num_steps 50 style wx.SL_HORIZONTAL converver float_converter grid_pos 7,1,1,1 notebook _coordinate (16, 701) _rotation 0 gr_multiply_const_vxx id gr_multiply_const_vxx_1 _enabled True type float const af_gain vlen 1 _coordinate (660, 436) _rotation 0 audio_sink id audio_sink_0 _enabled True samp_rate 44100 device_name ok_to_block True num_inputs 2 _coordinate (880, 406) _rotation 0 import id import_0 _enabled True import from datetime import datetime _coordinate (707, 592) _rotation 0 variable id prefix _enabled True value "/home/alexc/gnuradio/" _coordinate (369, 592) _rotation 0 variable id recfile _enabled True value prefix + datetime.now().strftime("%Y.%m.%d.%H.%M.%S") + ".dat" _coordinate (540, 592) _rotation 0 wxgui_fftsink2 id fftsink _enabled True type complex title samp_rate samp_rate baseband_freq usrp_freq y_per_div 10 y_divs 10 ref_level 0 ref_scale 13490.0 fft_size 512 fft_rate 15 peak_hold False average True avg_alpha 0.5 win None win_size 800,300 grid_pos 0,0,5,4 notebook _coordinate (430, 24) _rotation 0 usrp_simple_source_x id usrp_src _enabled True type complex format which 0 decimation 256 frequency usrp_freq lo_offset float('inf') gain rf_gain side A rx_ant RX2 hb_filters _coordinate (155, 248) _rotation 0 variable_slider id trans _enabled True label Filter trans (kHz) value 20 min 10 max 40 num_steps 300 style wx.SL_HORIZONTAL converver float_converter grid_pos 8,0,1,1 notebook _coordinate (14, 550) _rotation 0 options id apt_rec_v01 _enabled True title NOAA APT Recorder V0.1 author OZ9AEC description Simple APT recorder prototype window_size 1280, 1024 generate_options wx_gui category Custom run_options prompt run True realtime_scheduling _coordinate (10, 10) _rotation 0 variable_slider id offset_coarse _enabled True label Coarse tune value -50000 min -120000 max 120000 num_steps 960 style wx.SL_HORIZONTAL converver float_converter grid_pos 6,2,1,2 notebook _coordinate (12, 106) _rotation 0 variable_text_box id usrp_freq _enabled True label USRP value 137150000 converver float_converter formatter None grid_pos 5,1,1,1 notebook _coordinate (613, 26) _rotation 0 variable_static_text id rx_freq _enabled True label Receive value usrp_freq+(offset_coarse+offset_fine) converver float_converter formatter None grid_pos 5,3,1,1 notebook _coordinate (775, 25) _rotation 0 gr_file_sink id gr_file_sink_0 _enabled True file recfile type complex vlen 1 _coordinate (429, 524) _rotation 0 variable_slider id af_gain _enabled True label VOL value 0.7 min 0 max 5 num_steps 500 style wx.SL_HORIZONTAL converver float_converter grid_pos 8,1,1,1 notebook _coordinate (162, 702) _rotation 0 variable id xlate_filter_taps _enabled True value firdes.low_pass(1, samp_rate, cutoff*1000, trans*1000, firdes.WIN_HAMMING, 6.76) _coordinate (617, 183) _rotation 0 blks2_rational_resampler_xxx id blks2_rational_resampler_xxx_1 _enabled True type fff decim 500 interp 441 taps [] fractional_bw 0 _coordinate (428, 412) _rotation 0 usrp_src xlating_fir_filter 0 0 xlating_fir_filter blks2_wfm_rcv_0 0 0 blks2_wfm_rcv_0 blks2_rational_resampler_xxx_1 0 0 gr_multiply_const_vxx_1 audio_sink_0 0 1 gr_multiply_const_vxx_1 audio_sink_0 0 0 blks2_rational_resampler_xxx_1 gr_multiply_const_vxx_1 0 0 usrp_src gr_file_sink_0 0 0 usrp_src fftsink 0 0