the restructuring in 2000. However, it would continue sending paper copies upon a licensee's request or a licensee could print it out online from the FCC's data base. Amateur station call signs in the US take the format of one or two letters (the prefix then a numeral (the call district and finally between one and three letters (the suffix). 16 The major changes were: A reduction of the number of operator license classes from six to the current three (Technician, General, Extra). The arrl VEC coordinates about two-thirds of all.S. Element 3A became a requirement for the Technician class and element 3B became a requirement for General. This new, sixth class had no name until the FCC started calling them "Technician Plus" in 1994.Department of Commerce and Labor until March 1913 then by the Federal Radio Commission, and finally (in 1934) by the FCC. But at that time, usage of the band for such a purpose was rare. Class A operators were assigned this license following the 1951 structure decision. The next level, known. It was initially intended for radio control of model aircraft, etc. Citation needed Novice enhancement edit Prior to 1987, the only difference between the requirements for Technician and General licenses was the Morse telegraphy test, which was five words per minute (wpm) for Technician and 13 wpm for General. General class licensees are granted privileges on portions of all amateur bands, and have access to over 83 of all amateur HF bandwidth. The amateur may thereafter apply for a specific or specialized call sign under the Vanity Licensing program. Radio broadcasting was first governed by the.S. There were 9 original call districts within the 48 contiguous states, also known as radio inspection districts.