This document contains Minimum Operational Performance
Standards (MOPS) for airborne equipment for Automatic Dependent
Surveillance-Broadcast (ADS-B) and Traffic Information Service-
Broadcast (TIS-B) utilizing 1090 MHz Mode-S Extended Squitter
(1090ES). Compliance with these standards by manufacturers, 
installers and users is recommended as one means of assuring
that the equipment will satisfactorily perform its intended
functions under conditions encountered in routine aeronautical 
operations.  

This revision supersedes DO-260A and incorporates the earlier
Changes 1 and 2.  The document was developed in parallel with
DO-282B.  FAA Technical Standard Order (TSO) C-166b
references this document.

RTCA's List of Available Documents provides more detail of the
changes from the previous version of the document.

The document is available as an electronic download.