February 14, 2022– A3SA is pleased to announce the “Sunrise” of the availability of signal signing for ATSC 3.0 Signals and Applications!

For broadcasters wanting to begin signing ATSC 3.0 Signals or Applications, please see the Broadcaster Onboarding Process and use the contact info listed in the process and elsewhere in this site when you’re ready to move forward. We and our PKI vendor Eonti look forward to working with you!


March 24, 2022 — The following documents are now available: 

Security Systems for NextGen TV Broadcasts Executive Summary 

A Short Introduction to ATSC 3 Security Systems for Broadcasters