Federal Communications Commission (FCC) has granted 691 radio service licenses and call signs in San Luis Obispo, California. Select a service category from the following table to research licenses and call signs in that category.
| Radio Service Category | Number of Licenses |
|---|---|
| Amateur licenses | 506 |
| Restricted Operator licenses | 68 |
| General Mobile Radio (GMRS) licenses | 44 |
| Vanity licenses | 41 |
| Ship Recreational or Voluntarily Equipped licenses | 16 |
| Aircraft licenses | 15 |
| Ship Compulsory Equipped licenses | 1 |
