What is the GROL (General Radiotelephone Operators License) ?
The General Radiotelephone Operator License (GROL) is required to adjust maintain, or internally repair FCC licensed radiotelephone transmitters in the aviation, maritime and international fixed public radio services. It is required to operate any maritime land radio station or compulsorily equipped ship radiotelephone station operating with more than 1500 watts of peak envelope power and any voluntarily equipped ship and aeronautical (including aircraft) stations with more than 1000 watts of peak envelope power. The GROL also conveys all of the operating authority of the Marine Radio Operator Permits (MROPs). These are required to operate radiotelephone stations aboard vessels weighing more that 300 gross tons, that carry more than six passengers for hire in the open sea or any coastal/tidewater area of the United States, aboard certain vessels that sail the Great Lakes, and to operate certain aviation radiotelephone stations and certain coast radiotelephone stations. The GROL is issu
