1966 insurance program for landlords starts with 166 AMA chartered clubs and about 20,000 members already existing

1980 about 1300 AMA chartered clubs are in existence
1980 AMA membership was 77,736

2004 about 2500 AMA chartered clubs are in existence
2004 AMA membership about 160,000

Up until about 1983, the FCC required a license to operate an RC “station”. The number of AMA members ran about 1/3 the number of FCC licenses. Unfortunately, the comparison is no longer available because of the discontinuance of the licenses.