# USRP-B210 GPSDO will not lock

Hi I own a b210 and I have a gpsdo that's installed but i do not have the antenna yet. Can I use it as a 10mhz reference and pps until I obtain the antenna?

• Are you talking about a USRP B210? Oct 27, 2021 at 19:42
• Hello and welcome to ham.stackexchange.com! Oct 27, 2021 at 20:58
• At David Yes and @rclocher3 Thank You! Oct 28, 2021 at 0:26
• @ShaneT that comment asking for clarification was a gentle hint to edit the question so it is complete. Assume comments disappear the moment someone reads them; they are not considered part of the Q&A, and are not persistent at all.
– user21417
Feb 25 at 16:44

• in essence multi_usrp::set_clock_source. Oct 28, 2021 at 7:02