The Federal Communications Commission (FCC) has granted a total of 342 licenses and call signs in the category of Amateur license in Petaluma, 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 |
|---|---|---|
| KN6OOJ | Wallstrum, Sterling P | 2021-04-27 |
| KN6POW | Barone, Stone G | 2021-07-12 |
| KN6TWB | Schmidt, Robert G | 2022-04-26 |
| KN6UGS | Welter, Rebecca S | 2022-05-20 |
| KN6UTT | Bonner, Timothy O | 2022-06-23 |
| KN6UWL | Eaves, Andrew | 2022-06-29 |
| KN6VHJ | Mossberg, Bruce | 2022-07-30 |
| KN6VHZ | Maestre, Rebekka | 2022-08-02 |
| KN6VIA | Diehl, Philip A | 2022-08-02 |
| KN6WHO | VanderRee, Thomas R | 2022-10-25 |
| KN6WKY | Deasy, Craig R | 2022-11-08 |
| KN6WTY | Kurniawan, James | 2022-12-03 |
| KN6YAD | Siegenthaler, Martin A | 2022-12-22 |
| KN6YHE | KANE, BRIAN | 2023-01-24 |
| KN6YRJ | Deasy, Karol K | 2023-03-01 |
| KN6ZMR | Hamley, Dylan | 2023-04-26 |
| KN6ZNR | Prien, Michael C | 2023-04-27 |
| N0VVM | GRESCHNER, PHILIP W | 2023-01-19 |
| N1WOZ | MENDELSON, MICHAEL S | 2006-02-08 |
| N2JGA | Noonburg, Derek B | 2018-11-14 |
| N6GTF | DETTLING, HELEN L | 2008-01-11 |
| N6NSY | KINARD, LEHMON L | 2015-12-29 |
| N6NSZ | KINARD, ALICE R | 2005-12-15 |
| N6OJ | TERNES, CHARLES A | 2014-11-10 |
| N6PXY | Bowman, Robert C | 2007-12-10 |
| N6RVN | KINARD, LELAND W | 2018-10-30 |
| N9IFW | ANDERSON, JOYCE A | 2023-03-13 |
| W6PHZ | WARD JR, LEWIS C | 2016-09-14 |
| WA6FCZ | ROSENBERG, RUSSELL H | 2015-12-18 |
| WA6PXW | DETTLING, FRANK J | 2015-12-31 |
| WA6UTD | SHARROW, BRUCE A | 2010-09-10 |
| WA6VOI | FAJARDO, ROBERT P | 2006-07-31 |
| WB6DXR | SCATTERGOOD, LESTER W | 2013-12-19 |
| WB6EFU | Donaldson, Robert G | 2017-07-26 |
| WB6MJB | Lockwood Jr, Foster N | 2008-09-17 |
| WB6MVT | SWANSON, ERIC R | 2021-02-25 |
| WB6QLJ | RETTICK, BRUCE A | 2017-02-14 |
| WB6TMS | Westerterp, Dale | 2017-07-10 |
| WB6UVU | SMITH, CAROLYN E | 2006-01-07 |
| WB6VGY | MAASS, FRITZ O | 2007-01-31 |
| WB6WPN | Condrotte, Charles G | 2022-07-08 |
| WD6DES | COONEY, ALAN C | 2020-03-03 |
