The Federal Communications Commission (FCC) has granted a total of 55 licenses and call signs in the category of Amateur license in El Dorado, 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 |
|---|---|---|
| KC5ZS | ROBERTS, ROBERT H | 2012-11-08 |
| KC6ZWT | ALEXANDER, NORMAN | 2021-07-09 |
| KD6CXE | KELLEY JR, CHARLES W | 2011-10-19 |
| KE6BKS | RIDGE, DWIGHT G | 2013-06-27 |
| KE6FAM | RAVETTO, TODD A | 2013-12-02 |
| KE6KET | YOST, SARAH M | 2014-06-11 |
| KE6KEZ | YOST, WILBUR E | 2014-06-11 |
| KE6NGY | RAVETTO, BEVERLEY A | 2014-10-10 |
| KE6QMF | WILCOX, JERRY K | 2005-01-14 |
| KE6ROE | BEAM, ANNE M | 2015-02-17 |
| KF6EYN | HINKLE, DIANA E | 2016-06-18 |
| KF6KUC | LOWE, RICHARD T | 2007-02-20 |
| | ||
| KF6QDG | ALEXANDER, FAY M | 2017-12-27 |
| KG6BRM | Colombo, Linda A | 2021-01-28 |
| KG6FUE | Poppleton, Nathan L | 2011-06-28 |
| KG6NDC | ROGERS, KENNETH E | 2012-07-23 |
| KG6TFW | BOEHM, Elizabeth C | 2013-11-06 |
| KI6BOK | DAVIS, GINNY K | 2015-10-22 |
| KI6DLD | Seguine Jr, Gordon W | 2006-04-18 |
| KI6ITK | BOEHM, AARON B | 2017-03-13 |
| KI6MKW | Clawson, Cherryl L | 2007-10-24 |
| KI6MKX | Clawson, William D | 2007-10-24 |
| KI6RJR | Moss, Mark | 2018-04-17 |
| KI6UHP | Rogers, Jay W | 2018-09-25 |
| KI6VFO | ZITZELBERGER, JOSEPH M | 2018-10-23 |
| KI6ZFO | MC KINNEY, MARLYS | 2019-06-20 |
| KJ6AJL | Hoffmann, Sean N | 2009-06-22 |
| KJ6BCD | KNAPP, GERALD A | 2019-05-24 |
| KJ6DZN | POPPLETON, DALE | 2019-10-08 |
| KJ6GKK | AMARAL, WALT D | 2020-01-15 |
| KJ6NQP | Franklin Sr, Dale C | 2021-07-13 |
| KJ6VTF | JACKOWITZ, NOAH D | 2012-04-13 |
| KK6HJM | Ravetto, Antonio J | 2013-10-28 |
| KK6IVD | EVANS, ROGER D | 2014-01-17 |
| KK6KVS | Glenn, John | 2014-03-28 |
| KK6KVT | Dean, Christi E | 2014-03-28 |
| KK6KYO | GILMORE, ROBERT W | 2014-04-02 |
| KK6NZR | Thorson, John A | 2014-07-10 |
| KK6QDE | Carlstroem, Larry R | 2014-11-13 |
| KK6QHT | McKinney, David H | 2014-11-14 |
| KK6QOA | GILMORE, CAROLYN | 2014-11-25 |
| KK6VHI | Calvert, Jason M | 2015-07-14 |
| KM6CHX | Clawson, Jamie K | 2016-05-02 |
| KM6SVA | HODNETT, MICHAEL | 2018-05-09 |
| KN6HWJ | Reynolds, Lucy | 2020-02-26 |
| KN6LDG | CATACATA, BRYAN O | 2020-09-29 |
| KN6OZY | WITHEROW, MICHAEL | 2021-05-24 |
| N1SWA | ASH Mr, DOUGLAS F | 2014-08-05 |
| N6BSS | BEAM, KENNETH P | 2014-11-13 |
| N6CCR | HINKLE, NATHANIEL C | 2015-06-03 |
| N6RFK | NORRIS, BRAD W | 2019-02-01 |
| W6GGO | COCHRAN, RICHARD A | 2021-07-26 |
| WA6UDD | Hannaford, Jack F | 2004-04-19 |
| WB6UQM | MAC CONNELL, JOHN W | 2019-04-11 |
| WL7GS | LEMKE, ROBERT P | 2013-03-06 |
