The early bird registration discount deadline is approaching. Save $50 on registration rates for The ION International Technical Meeting (ITM) and Precise Time and Time Interval (PTTI) 2021 virtual meetings, being held January 25-28, 2021 in Pacific Standard Time (PST). Complete your registration by Monday, January 4.

The two are combined into one virtual meeting to be held January 25-28, 2021.