ED-194B contains requirements for processing, control and display of traffic and Ownship information for use by the flight crew in performing airborne applications. Change 1 contains the following modifications: Identified problems with TIS-B test vectors for the surveillance processing test procedures. Updated to include CAVS requirements to align with FAA TSO-C195c. Editorial changes as identified in the WG-51 SG-3 Internal Report ‘Summary of Activities and Proposed Changes to ED-194B and ED-236A – Phase 2’.