Hi, Going over tutorial 2 http://gnuradio.org/redmine/projects/gnuradio/wiki/Guided_Tutorial_GRC, trying the last example (a triangle wave, prove signal and a sine wave), which based on common sense and the image in the tutorial, should result in a periodic triangle shape in the waterfall scope.
I get a completely different result, see image attached. My flowgraph seems to be accurate, also when running tutorial_two_7.grc from the examples I get the same result. GNU Radio 3.7.10.1, mac OS 10.12.1. Do you have an idea why I don't get the expected shape? This is the image from the tutorial: https://raw.githubusercontent.com/gnuradio/gr-tutorial/master/examples/tutorial2/images/singing_waterfall.png This is what I get (when running the example, not my own flowgraph): [image: pasted1]
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