| 1. | Edge of Space Sciences, Inc. | | | Promoting science and education through high-altitude balloons and amateur radio; balloon flight schedules, radio frequency information, general program data. www.eoss.org |
| 2. | QSL . NET | | | Dedicated email and webspace service for the Amateur Radio Community; free space to licensed Amateur Radio Operators worldwide. www.qsl.net |
| 3. | AMSAT Links | | | Addresses and links to the international amateur radio satellite community. www.amsat.org |
| 4. | The Condor Connection | | | List of amateur radio repeaters in California, Nevada, and New Mexico. Also includes user guidelines and system information. www.condor-connection.org |
| 6. | HamDepot | | | listing of ham radio clubs, events, dealers and resources www.hamdepot.com |
| | |