In a Public Notice designed to clarify any ambiguity that has arisen from the extension of Daylight Savings Time into November, the FCC on Friday made clear that AM daytime-only stations should continue to use the power levels for October "advanced" operations for Pre-Sunrise (PSRA) and Post Sunset Authority (PSSA) during the first three days of November, until Daylight Savings Time ends on November 4.  We’ve written about some of the issues for AM stations with Daylight Savings Time here and here.