In the latest issue of Gliding International, the glider exemption for ADS-B Out in the United States is discussed. The FAA has issued an Advance Notice of Proposed Rule Making (ANPRM) regarding the possible revocation of the glider exemption. The Soaring Society of America (SSA) strongly opposes the ANPRM and instead recommends increased support for FLARM, which is much less expensive and more effective for collision avoidance than ADS-B.
The article can be read here.
The full SSA response can be read here.