The Federal Communications Commission (FCC) has granted a total of 77 licenses and call signs in the category of Amateur license in Duarte, 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 |
|---|---|---|
| AG6VH | GRAVEL, DAVID E | 2020-10-09 |
| KB4CHO | WATSON, LARRY A | 2009-07-08 |
| KC6GMS | KLINTONG, KRUENGSAK | 2019-12-17 |
| KC6KKO | BURROWS, RICHARD A | 2019-04-17 |
| KC6QPC | CHAURE, ANDREAS F | 2013-11-18 |
| KC6UZJ | PERELLO, RICK | 2021-04-24 |
| KC6VDS | JORGENSEN, JON R | 2011-07-19 |
| KC6VGN | KAMETA, KAYKO K | 2011-08-05 |
| KC6VGW | AKINS, ALAN L | 2021-05-26 |
| KC6ZCR | MERCADO, DOMINIC C | 2013-11-27 |
| KD6UOX | WINN, RALPH J | 2005-02-03 |
| KD6YEN | YENJAI, SEREE | 2013-04-12 |
| | ||
| KE6DZM | BRITTON, ROBERT G | 2003-09-25 |
| KE6EON | MACK IV, JOHN G | 2003-12-15 |
| KE6JXE | DE VORSE, WAYNE R | 2004-04-22 |
| KE6MJT | LANGE, JAMES S | 2004-09-21 |
| KE6UF | CLARK, ROBERT R | 2020-01-01 |
| KE6USY | YUAG, ALEXANDER C | 2016-03-07 |
| KE6WMZ | KLINTONG, JESSICA A | 2015-10-20 |
| KE6YBM | PAKILIT, PENIEL RAY S | 2016-03-07 |
| KE6YEJ | RAZO, FRANCISCO A | 2015-07-15 |
| KF6AKM | KNOWLES, WALTER C | 2005-09-16 |
| KG6OGY | Wagner, James E | 2012-12-07 |
| KG6PKB | Pierce, Eric C | 2013-02-20 |
| KG6ZSE | Muccillo, Mark V | 2015-06-02 |
| KI6DN | DALESSANDRO, RONALD V | 2016-02-25 |
| KI6ILT | Kerwin, Frank H | 2007-03-13 |
| KI6ONW | Yrigoyen, Daniel J | 2018-02-06 |
| KJ6BAJ | HAND, GARY A | 2019-05-07 |
| KJ6OSJ | Kang, Samuel | 2021-03-26 |
| KJ6SE | SMITH, GLENN T | 2018-09-28 |
| KJ6V | PFEIFFER, FRANK W | 2019-02-22 |
| KK6JCK | Pineda, Frank | 2014-01-27 |
| KK6JMR | Pineda, Selene | 2014-02-05 |
| KK6JZB | Cantu, Alfredo L | 2014-02-25 |
| KK6PGD | Fackler, James E | 2014-10-03 |
| KK6PMU | Pryor, Edith B | 2014-10-21 |
| KM6IIZ | Bickford Jr, Maurice S | 2017-02-16 |
| KM6JFL | Wilkins, Anne M | 2017-03-15 |
| KM6JFM | Reilly, Elizabeth | 2017-03-15 |
| KM6LEZ | Hadloc, Anthony M | 2017-06-19 |
| KM6NMF | Maez, Joseph C | 2017-10-24 |
| KM6OTZ | Williams, Philip J | 2017-12-01 |
| KM6SRV | Morgan, Keith A | 2018-05-04 |
| KM6TDU | Templo, Wesley L | 2018-05-18 |
| KM6ZVS | Duarte Cert | 2019-02-19 |
| KN6BYY | Kazarians, Seth N | 2019-05-17 |
| KN6CSN | Breceda, Larry | 2019-06-21 |
| KN6CSR | Romejko, Mark A | 2019-06-21 |
| KN6CSS | Hernandez Jr, Steven M | 2019-06-21 |
| KN6CSU | Torres, Henry R | 2019-06-21 |
| KN6CSX | Silao, Sonia | 2019-06-21 |
| KN6CSY | Cruz, Guillermo | 2019-06-21 |
| KN6CSZ | Quock, Gar W | 2019-06-21 |
| KN6CTB | McAfee, Donald R | 2019-06-21 |
| KN6CTD | Finlay, Robert B | 2019-06-21 |
| KN6CTE | Finlay, James B | 2019-06-21 |
| KN6CZT | Bouza, Luis A | 2019-07-09 |
| KN6KNX | Bowers, Brent J | 2020-08-27 |
| KN6LGH | Kojian, Haig J | 2020-10-06 |
| KN6LZY | Green, Ashley | 2020-11-12 |
| KN6NFK | Bauer, James | 2021-02-03 |
| KN6UHN | Woo, Stephen J | 2022-05-24 |
| KN6WFP | Bautista, Rey S | 2022-10-21 |
| KN6WFQ | Bautista, Armie R | 2022-10-21 |
| KN6WOM | Jose, Anne | 2022-11-18 |
| KN6WOS | Jose, Ryan | 2022-11-18 |
| KV4DO | PHIPPS, CLAUDIUS A | 2016-09-27 |
| N6AMB | THOMAS, EARNEST | 2004-04-21 |
| N6NCE | BERNE, CYNTHIA C | 2017-05-12 |
| N6VLN | HAASE, DENISE M | 2009-04-22 |
| W6TAG | Berne, Thomas V | 2017-02-13 |
| WA6BZB | WIRTH JR, VINCENT A | 2016-11-08 |
| WA6HOB | KINNEY, LAURENCE R | 2005-09-12 |
| WA6LBG | RUBIO, GEORGE M | 2015-10-20 |
| WA6NJI | KAWASAKI, GREGORY Y | 2016-08-05 |
| WA7BIP | BARTA, GARY S | 2014-07-15 |
