South Florida LPFM, 92.7 WZOP(LP), has been issued a notice of violation by the FCC for operating an overpowered transmitter.

Nick's Signal Spot explores the untold story of tunnel radio systems that bring AM and FM signals to life below the surface.

"Advising countries that are abandoning analog AM and FM to go for DAB+ is disingenuous," writes Thamminana Krushna Rao.