Shelby Amateur Radio Club's VHF Emergency Net
- Shelby amateur radio club's VHF emergency net is open to all within the repeater's coverage area. 146.880 and 147.345 are the repeater frequencies. Shelby Radio Club is the sponsor of the Shelby hamfest.
Longview East Texas radio club
- LETARC provides public service to the Longview Tyler Gilmer Henderson Gladewater Marshal Texas areas through the availablility of their SKYWARN alert repeater and a large network of weather watchers.
The Very Small Array (VSA)
- in Tenerife (Canary Islands). Designed to study fluctuations in the Cosmic Microwave Background (CMB) thought to originate from the period immediately following the big bang. Operated by Cambridge and Manchester Universities (UK).