You can use the external SYNC input to feed in a common 1PPS signal. Then set your time source to “external”. I suspect you’ll only do a little better than the two independent GPS receivers.
Sent from my iPhone > On Dec 23, 2020, at 4:50 PM, Ofer Saferman via USRP-users > <[email protected]> wrote: > > > Hello, > > I asked a few weeks ago about the possibility to use the internal GPS > receivers of the E310 to synchronize multiple units. > Someone explained that the internal GPS receiver and its associated > synchronization algorithm are not good enough and I will not get > synchronization that is better than several tenths of microseconds. > > What would you suggest is the best way to synchronize E310 units so that they > will be synchronized at base-band sample level? I mean that when transmitting > from 2 (or more) different E310 units the Tx samples will be perfectly > time-aligned on different units. > > I noticed there is a SYNC input and somewhere I read that it is possible to > provide an external 1PPS signal. Could someone comment on this feature? > Explain if it works? How to make it work in terms of software setup? > Maybe the SYNC input can be used differently for synchronization? > > Is there another way to achieve the synchronization that I want, given that > the E310 has no external reference clock input? > > Regards, > Ofer Saferman > > -- > This message has been scanned for viruses and > dangerous content by MailScanner, and is > believed to be clean. _______________________________________________ > USRP-users mailing list > [email protected] > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
_______________________________________________ USRP-users mailing list [email protected] http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
