Section 73.511 - Power and antenna height requirements(a) No new noncommercial educational station will be authorized with less power than minimum power requirements for commercial Class A facilities. (See §73.211.)(b) No new noncommercial educational FM station will be authorized with facilities greater than Class B in Zones I and I-A or Class C in Zone II, as defined in §73.211.(c) Stations licensed before December 31, 1984, and operating above 50 kW in Zones I and I-A, and above 100 kW and in Zone II may continue to operate as authorized.50 FR 27963, 7/9/1985, as amended at 50 FR 31379, 8/2/1985; 54 FR 3602, 1/25/1989