Amateur Radio
General Amateur Radio
| Frequency | Input | License | Type | Tone | Tone In | Alpha Tag | Description | Mode | Tag |
|---|---|---|---|---|---|---|---|---|---|
| 223.900 | 222.300 | W3SMD | RM | CSQ | 186.2 PL | W3SMD | W3SMD | FM | Ham |
| 444.950 | 449.950 | K3CAL | RM | 156.7 PL | 156.7 PL | K3CAL Lusby | K3CAL Lusby (linked to Sunderland) | FM | Ham |
Skywarn/RACES
Callsigns by ZIP Code
| 20610 | 20615 | 20629 | 20639 | 20657 | 20676 | 20678 | 20685 | 20688 | 20689 | 20714 | 20732 | 20736 | 20750 | 20754 |
| 37385 | 37843 |