*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
+ * the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
/*!
* \brief Decision directed M-PSK synchronous demod
+ * \ingroup sync_blk
* This block performs joint carrier tracking and symbol timing recovery.
*
* input: complex baseband; output: properly timed complex samples ready for slicing.