from RadioAndRecords:http://www.radioandrecords.com/Newsroom/2006_05_01/topstory. asp"...It appears the receivers’ power level for sending the signal may be higher than FCC regulations permit. In some cases, signals are reportedly being sent 50, 100 or even 1,000 feet beyond the originating vehicle. The signals then drown out stations listened to by passing motorists...Anthony Brandon, President/GM of NPR affiliate WYPR/Baltimore, told the Sun he’s sent 60 listener complaint letters to the FCC. "(Picture this: you're on the road trying to listen to NPR or a college station when suddenly it's Howard Stern--someone using a sat-radio equipped with an FM transmitter, or one of thosemini-FM transmitters...)