The Federal Communications Commission (FCC) has granted a total of 21 licenses and call signs in the category of Amateur license in Larkspur, California. Select a call sign from the table below to view its details such as the date of authorization, expiration date, service description, and so forth.
| Call Sign | License Holder Name | Date of Authorization |
|---|---|---|
| KC6CSY | BALL, GREGORY W | 2021-05-06 |
| KE6ORI | Boyd, John M | 2014-12-02 |
| KE6ZWQ | Bradner, Thomas E | 2015-11-12 |
| KJ6AZS | Woodbridge, John L | 2019-05-23 |
| KJ6TWV | SUNSERI, LAURA A | 2012-02-03 |
| KK6BAN | Willoughby, Kenneth C | 2012-11-21 |
| KK6CKE | Arlas, Jessica A | 2013-02-15 |
| KK6IEK | Reed, Wendy A | 2013-11-27 |
| KK6UNO | Couch, George J | 2015-06-02 |
| KM6BDT | Losee, George B | 2016-03-16 |
| KM6GMC | Vasquez, Adam | 2016-11-09 |
| KM6HZI | KRASNIC, VIOLETA | 2017-02-03 |
| KM6IMM | Lundberg, Richard C | 2017-02-22 |
| KM6VKT | Prevost, Lelani | 2018-08-27 |
| KN6BIC | Erb, William F | 2019-04-22 |
| KN6KVX | Mould, Robert A | 2020-09-16 |
| KN6MBA | Kanter, David B | 2020-11-12 |
| KN6QBN | Wester, Glenn | 2021-08-17 |
| KN6YQB | Bruin, Paul | 2023-02-24 |
| N6MXK | COUCH, JAMES | 2017-07-06 |
| W6OKR | WILLIS, GEORGE E | 2005-06-29 |
