Some guidance on working through Core concepts of GNU Radio

Im working through
http://gnuradio.org/redmine/projects/gnuradio/wiki/TutorialsCoreConcepts

Ive created the flow graph:

Im unsure on how to address the problem reported on Complex to Mag^2 as
below, could you offer some pointers please?

Connection (
Block - blocks_complex_to_mag_squared_0 - Complex to
Mag^2(blocks_complex_to_mag_squared)
Source - out(0)
Block - blocks_file_sink_0 - File Sink(blocks_file_sink)
Sink - in(0)
):
Source IO size “4096” does not match sink IO size "8192.

Thanks.

Cheers, Shane

On 05/25/2014 09:39 PM, Shane MacPhillamy wrote:

Connection (
Cheers, Shane


Discuss-gnuradio mailing list
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complex-to-mag**2 produces a real float output, and you’re configuring
your sink (or left it defaulted) to float-complex. GRC will have turned
the arrow red to emphasize that the output type of one block
doesn’t match the input type of another, further, under the errors
dialog, it
would have noted the same thing.

Cheers, Shane


Marcus L.
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org


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On 26 May 2014, at 11:49 am, Marcus D. Leech [email protected] wrote:

Thank you. The arrow is now black.

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