2016, but was delayed until 2022 or later.

As a result of OCX delays, the L2C signal was decoupled from the OCX deployment schedule. All satellites capable of transmitting the L2C signal (all GPS satellites launched since 2005) began broadcasting pre-operational civil navigation (CNAV) messages in April 2014, and in December 2014 the U.S. Air Force started transmitting CNAV uploads on a daily basis. As of October 2017, L2C was being broadcast from 19 satellites; by June 2022 there were 24 satellites broadcasting this signal. The L2C signal