The Federal Communications Commission (FCC) has granted a total of 66 licenses and call signs in the category of Amateur license in Rio Vista, 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 |
|---|---|---|
| K3BTP | Stichick, Paul A | 2017-04-20 |
| K6OEV | WALTON, REGINALD A | 2006-06-21 |
| K6RAL | BURR, THOMAS S | 2018-11-28 |
| K6YHT | WALTON, ROBERT E | 2015-01-07 |
| KB6FFF | JARRATT, RICHARD C | 2020-01-04 |
| KC6VAX | WALKER, RANDALL N | 2021-05-12 |
| KC6VAZ | CONNOR, PATRICIA A | 2021-05-12 |
| KC6VLW | WEBSTER, BEVERLY A | 2011-06-02 |
| KD6LLV | NEEFUS, ROBERT F | 2012-11-20 |
| KE6UTQ | BETTENCOURT, PAUL R | 2015-05-19 |
| KE7HTG | golian, christopher E | 2017-04-04 |
| KF6KRM | GEE, KIRBY L B | 2017-02-08 |
| | ||
| KF6LOL | Mondello, Louis J | 2017-03-29 |
| KF6UIP | FAGAN, KATHRYN A | 2009-01-10 |
| KF6WDV | PUNO, FELICE N | 2009-02-17 |
| KF6WDW | Puno, Bonifacio T | 2009-02-17 |
| KG6AMJ | Emerick, Robert T | 2020-01-30 |
| KG6AMK | Emerick, Cathy L | 2020-01-30 |
| KG6BDE | Vazquez, Diana E | 2020-07-09 |
| KG6OMC | ROOS, DONALD F | 2013-11-20 |
| KG6RBO | Clark, Charles L | 2013-03-11 |
| KG6RTY | Powell, Kenneth E | 2013-07-11 |
| KG6RTZ | Zwier, John | 2013-05-23 |
| KG6UVP | Church, Dean | 2004-04-29 |
| KG6WNG | FRIZELL, KIM C | 2014-08-05 |
| KG6YVG | Thomas, Charles D | 2005-03-24 |
| KI6GIR | SPRADLEY, BRUCE S | 2016-09-21 |
| KI6GPP | Mickelberry, Michael E | 2016-09-13 |
| KI6NRC | Emler, Robert E | 2007-12-21 |
| KI6OLP | Mejia, Jay J | 2017-12-20 |
| KI6OLQ | Mejia, Nakia A | 2017-12-21 |
| KI6YYT | Seiferling, Emilia N | 2019-02-21 |
| KJ6NOL | Cox, Kristina A | 2011-03-30 |
| KJ6OJY | BENSON, CHRISTINA M | 2021-04-28 |
| KJ6OOJ | Benson, Samuel G | 2021-04-28 |
| KJ6QZJ | Ricketts, Jacob A | 2011-08-31 |
| KJ6UTS | Christensen, Kerry J | 2022-02-04 |
| KJ6VXF | Vogtlin, George E | 2012-04-20 |
| KJ6YCR | Smith, Stephen A | 2023-04-25 |
| KJ6YZE | BRADISH, STEPHEN W | 2012-07-27 |
| KK6LZU | Huddleston, Aaron J | 2014-05-02 |
| KK6WQZ | MATHEWS, GERALD H | 2015-10-01 |
| KK6ZDC | PHILLIPS, MARK R | 2015-12-03 |
| KK6ZKR | LODI AMATEUR RADIO CONTEST CLUB | 2015-12-14 |
| KM6EEW | CORDEIRO, ANTHONY | 2016-07-21 |
| KM6FNA | FRASER, BARRY D | 2016-09-30 |
| KM6JDI | BRADISH, CHRISTOPHER M | 2017-03-13 |
| KM6JDO | DENNEY, WILLIAM P | 2017-03-13 |
| KM6LCL | Gaertner, Michael | 2017-06-14 |
| KM6NLJ | TROWBRIDGE, JEFFREY L | 2017-10-24 |
| KM6ORK | Jordan, Kenneth A | 2017-11-29 |
| KM6QEV | Pomper, Patricia A | 2018-02-12 |
| KM6QEW | Pomper, Catherine J | 2018-02-12 |
| KM6QEX | Bond, Karen M | 2018-02-12 |
| KM6QEZ | Von Sosen, Bernd M | 2018-02-12 |
| KM6TSY | Doyle, Richard A | 2018-06-04 |
| KN6TRL | Haig, Russell D | 2022-04-11 |
| KN6WWQ | Hecker, Leroy G | 2022-12-14 |
| KO6MX | MC EVOY, KEVIN R | 2013-01-23 |
| KP4UB | GOBLE, BRUCE E | 2012-07-31 |
| N0HWI | Sheppard, Alexus | 2018-07-31 |
| N6RZN | MILLER, PAUL D | 2018-01-30 |
| W6LAO | WEBSTER, HARRY E | 2015-04-18 |
| WA7MSD | Carson, Frank P | 2015-02-03 |
| WB7AJK | HENRY, DAVID A | 2017-02-02 |
| WD0EHJ | CURRIE, WILLIAM A | 2013-07-20 |
