GPS CNAV Testing 15JUNE through 01JULY2013

The GPS Directorate (SMC/GP) is conducting Live-Sky CNAV testing prior to deployment of the Next Generation Operational Control System (OCX). CNAV is a capability to be provided by Civil Navigation message types for the purpose of improved GPS navigation through the use of signals L2C and L5.
L2C CNAV capability will be included in the initial OCX delivery which is scheduled for deployment in mid-2016. The purpose of the testing is to ensure enterprise-level readiness to operate, broadcast and receive the modernized civil navigation messages on L2C and L5.

The CNAV test plan and test files can be viewed at

GENERAL NANU 2013034 provides GPS users notification of CNAV testing Starting on Julian Day 166 (15JUNE2013) and the last day of testing on Julian Day 182 (01JULY2013).
GENERAL NANU 2013034 can be viewed at:

Scroll to the bottom of the page at the preceding link for text of NANU 2013034.