in the rx_ofdm.grc in examples contains the STREAMCRC32 block. in which
mode must be check CRC. but the default in the example is generate crc.
is only working for generate crc and for checkCRC it doesnot give
i tried using the data before the streamCRC32 and tried to use with
streamcrc32 block in another flowgraph. but it gave me an error missing
length tag. how to resolve this.