The FCC has released guidelines for experimental FM geo-targeting, allowing stations to broadcast unique content on booster stations for up to 3 minutes per hour. This one-year trial aims to establish permanent rules for such services. Key points for broadcasters: Applications for experimentation start May 16th; strict time limits exist for unique programming on boosters; geo-targeting boosters must comply with Emergency Alert System rules; limited interference to the primary station’s signal is allowed. Public comments on the FCC’s proposals for permanent geo-targeting rules are due May 16th. Reply comments are due by June 17th.