Hello, I have a USRP x300 and I am trying to use the GPS module for clock sync. I am running Ubuntu 20 and am using external GPS antennas and am using GNUradio version 3.10.5.1 . I have the following arguments for the USRP source block:
Sync: Unknown PPS Time Source: Default Clock Source: O/B GPSDO However, when running this block I get the following error: Traceback (most recent call last): File "/home/.../Documents/test.py", line 290, in <module> main() File "/home/.../Documents/test.py", line 268, in main tb = top_block_cls() File "/home/.../Documents/test.py", line 92, in __init__ self.uhd_usrp_source_0_0.set_clock_source('gpsdo', 0) RuntimeError: RuntimeError: Reference Clock PLL failed to lock to gpsdo source. Any help is appreciated and thank you to Marcus Müller for helping me resolve the incompatibility with the USRPs. James Jones