Chelan-Douglas RACES Group
- The Chelan-Douglas Radio Amateur Civil Emergency Services (RACES) Group provides emergency communications services in times of need to requesting agencies throughout North Central Washington State.
Chelan-Douglas RACES is hosted jointly by both Chelan and Douglas County Emergency Management. The group is composed of registered Washington State Emergency Workers who hold an Amateur Class Radio License. All members are volunteers who have other primary jobs, and donate their spare time upon request to support emergency operations.
The Shasta Cascade Ham Radio Club
- SCARS is an organization of amateur radio operators in the Shasta-Cascade region of northern California (which includes the counties of Butte, Lassen, Modoc, Plumas, Shasta, Siskiyou, Tehama and Trinity).
The Carolina Flashers Photonics Group
- The Carolina Flashers is an organization of North Carolina Amateur Radio operators who experiment with coherent, or more often, partially coherent light as a communications medium.