Transmit and Receive message using GMSK/MSK modulation simulation

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I'm trying to simulate the transmit and receive of a simple message (like "Helloworld") using an MSK/GMSK modulation but I seem to have some trouble receiving the message. I used the relatively new Symbol Sync block but I seem to be unable to get my input and output signals to align. I'm guessing I haven't set the Symbol Sync parameters properly. Does anyone have any suggestions on how to do that? (See below for flowgraph and current output)

I would like to eventually be able to implement this using USRP but am trying to simulate it first. Any help would be appreciated. Thanks. TX/RX MSK Flowgraph Signal Inputs and Outputs

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