Documentation on all of the Report types via which the USA FAA Surveillance and Broadcast Services (SBS) Program provides data to other services and applications can be found in the current version of the FAA SBS Service Delivery Point Interface Requirements Document, NAS-IR-82530001.
Originally Category 033 was defined in System Specification - Ground-Based Transceiver (GBT) For Broadcast Services Using the Universal Access Transceiver (UAT) Data Link. This document has been published with the kind permission by the U.S. DoT FAA.