[Discuss-gnuradio] exploring samples by scanning

[Nathaniel Haggard]

To explore this large sample of spectrum it would be nice to scan
through it using the ssb demodulator.

To implement a scanner in python it seems like I need an incrementing
block, but I don't see one of those.

By scanning I mean:
1. if break squelch then play until squelched or keypress
2. increment frequency
3. goto 1


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[Discuss-gnuradio] getting started decoding ssb

[Nathaniel Haggard]

To get started I'm trying to decode ssb from samples here
http://www.kd7lmo.net/ground_gnuradio_ota.html.

http://www.kd7lmo.net/gnuradio/ssb_rcv_file.py gives the following error:
python ssb_rcv_file.py hf_7200khz_256_complex.dat  5 2500 L
Traceback (most recent call last):
  File "ssb_rcv_file.py", line 104, in 
main (sys.argv[1:])
  File "ssb_rcv_file.py", line 97, in main
fg = build_graph (args[0], float(args[1]), float(args[2]), args[3][0])
  File "ssb_rcv_file.py", line 45, in build_graph
fg = gr.flow_graph ()
AttributeError: 'module' object has no attribute 'flow_graph'

Is there any documentation on migrating from the old way of doing
things to the new way?

Thanks,
Nate


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