Federal Communications Commission (FCC) has granted 90 radio service licenses and call signs in St. Charles, Missouri. Select a service category from the following table to research licenses and call signs in that category.
| Radio Service Category | Number of Licenses |
|---|---|
| Restricted Operator licenses | 36 |
| General Mobile Radio (GMRS) licenses | 21 |
| Amateur licenses | 18 |
| Vanity licenses | 7 |
| Aircraft licenses | 4 |
| Ship Recreational or Voluntarily Equipped licenses | 3 |
| Ship Compulsory Equipped licenses | 1 |
