The Federal Communications Commission (FCC) has granted a total of 225 licenses and call signs in the category of Amateur license in Highland, 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 |
|---|---|---|
| KN6UNS | Clark, Nathan W | 2022-06-04 |
| KN6VSR | Pimentel, Rigoberto | 2022-09-13 |
| KN6WTZ | ALQUBBAJ, IHAB | 2022-12-06 |
| KN6YHJ | Clifton, Michael P | 2023-01-24 |
| KN6YZV | Gamage, Rose M | 2023-03-21 |
| N1TCY | O REILLY, JOHN E | 2014-10-04 |
| N6BVY | BROWN, EDWARD A | 2014-10-31 |
| N6DER | BERTEAUX JR, CHARLES H | 2005-01-05 |
| N6FML | MARVIN JR, LYLE W | 2007-09-05 |
| N6HDX | HEISLER, WILLIAM H | 2017-03-01 |
| N6IID | Chandler, Paul L | 2015-03-20 |
| N6KOE | Potts, Leland Q | 2004-10-12 |
| N6QLP | SMARTE, GERALD J | 2017-06-22 |
| W6PRA | PETTITT SR, ROBERT J | 2015-11-05 |
| W6TCY | Engs, William D | 2016-02-06 |
| WA6CAW | MARVIN, LOUIS A | 2017-02-14 |
| WA6CEY | Brase, Dorothy I | 2005-12-15 |
| WA6CRF | GATLIN, LAWRENCE W | 2011-07-28 |
| WA6ODS | THERIEN, DOUGLAS F | 2015-06-03 |
| WA6UPW | PATTERSON, JOHN R | 2018-04-13 |
| WB6EEW | OLIVERIUS, THOMAS M | 2017-09-12 |
| WB6JTU | GOE, ORVAL J | 2014-03-26 |
| WB6LVL | MC MILLAN, MICHAEL L | 2016-09-20 |
| WB6VGV | SANDOVAL, FRANK | 2019-07-20 |
| WB6VTU | BERENATO, GREGORY | 2018-09-25 |
