Andy,

I’m not sure how integrate the correlation sync block with gmsk. It expects
modulated symbols and I’m not sure how to generate a modulated vector of
gmsk symbols.  There doesn’t seem to be a gmsk class that can be used by
the modulate vector block.

Thanks,
Alex

On Thursday, June 25, 2020, Andy Walls <a...@silverblocksystems.net> wrote:

> Recommend reading
>  https://www.gnuradio.org/grcon/grcon17/presentations/
> symbol_clock_recovery_and_improved_symbol_synchronization_blocks/Andy-
> Walls-Samples-to-Digital-Symbols.pdf
>
> Yeah, the MSK TED selections for the symbol sync block expect the constant
> envelope FSK waveform on the input.  Demodulation from FSK to baseband
> pulses should happen after the symbol sync block.
>

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