The Federal Communications Commission (FCC) has granted a total of 37 licenses and call signs in the category of Amateur license in Cathlamet, Washington. 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 |
|---|---|---|
| AE7RD | Basham, David C | 2022-02-07 |
| K7SH | HART, STEPHEN R | 2011-11-23 |
| KA7IDX | HOKKANEN, BRYAN P | 2012-02-11 |
| KB7WNM | HOKKANEN, IRIS M | 2015-02-20 |
| KC4ONA | BIBBY, RICHARD W | 2012-12-22 |
| KC7IVJ | COSTICH, DALE W | 2015-01-27 |
| KE7NZL | SIMMONS, ALMONIA J | 2007-06-28 |
| KF7USO | Borak, Laura M | 2022-04-14 |
| KG7EYC | Heston, Brian E | 2013-08-13 |
| KG7WSP | Kolditz, Ross W | 2015-10-09 |
| KG7WSQ | Culbertson, James T | 2015-10-09 |
| KG7WSR | Spalding, Danny W | 2015-10-09 |
| KG7WSV | Cosentino, Robert L | 2015-10-09 |
| KG7WSY | Hogan, Jerry O | 2015-10-09 |
| KI6MLQ | Ward, Robert B | 2017-08-15 |
| KI6SGQ | BANGLE, KRIEGAR B | 2018-07-17 |
| KI7ESU | Roskelley, Elden S | 2016-05-31 |
| KI7JBD | Wahkiakum ACS | 2016-12-07 |
| KI7NTC | Stoddard, Raymond D | 2017-05-24 |
| KI7ORR | Feil, Stewart D | 2017-07-05 |
| KI7ORT | Seaberg, Ronald A | 2017-07-05 |
| KI7ORU | Wright, Lynette B | 2017-07-05 |
| KI7YML | Charles Jr, Gilbert E | 2018-05-25 |
| KJ7KMP | Cooper, William G | 2019-11-15 |
| KJ7NIZ | STOLP, JOSEPH R | 2020-03-19 |
| KJ7NKO | Cameron II, David S | 2020-03-23 |
| KJ7PHT | Diem, Prudence | 2020-07-23 |
| KK7JII | Bibby, Margaret L | 2022-11-24 |
| KK7UX | MORRIS, COLEEN M | 2021-02-02 |
| KK7VQ | MORRIS, RICHARD E | 2021-02-02 |
| N7CFP | PEDERSON, KENNETH P | 2007-09-18 |
| N7JBW | STOCKHOUSE II, ROBERT E | 2017-04-04 |
| N7TSM | KOLDITZ, WILHELM C | 2013-05-29 |
| W7DOY | DAMITIO, RICHARD J | 2016-06-17 |
| W7JVZ | FURLOW, CRIS C G | 2018-08-10 |
| WA6TTR | SPALDING, GORDON W | 2018-01-19 |
| WA7JRT | KINNEY, DONALD L | 2015-05-29 |
