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Harald Welte laforge at gnumonks.org>From my memory: * CS1 is rate 1/2 conv code with no puncturing. * CS2+3 apply different puncturing amounts on that conv code * CS4 has no error correction (=100% puncturing) Why the code differs, I don't know. Maybe it was never completed in conv_gen? -- Sent from a mobile device. Please excuse my brevity.