QAM and Chunks_to_Symbol

How can I specify symbol table and dimension for QAM in
block? which modulation is indicating in by orth2 orth4?
Can anybody help me. I am new to this GnuRadio.

With Regards,

For small constellations, you can just specify the points manually.
Here’s an example for 16QAM. Just paste into the “Symbol Table” field in
the block properties. The dimension is 1.

[complex(3,3), complex(3,1), complex(1,3), complex(1,1), complex(3,-3),
complex(3,-1), complex(1,-3), complex(1,-1), complex(-3,3),
complex(-3,1), complex(-1,3), complex(-1,1), complex(-3,-3),
complex(-3,-1), complex(-1,-3), complex(-1,-1)]


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