Amateur Radio Callsigns in ZIP Code: 46978
| Callsign | Name | City | State | Country |
|---|---|---|---|---|
| K9FOC | MC DONALD, PHILIP L | ROYAL CENTER | IN | United States |
| N9DZT | LEACH, WAYNE O | ROYAL CENTER | IN | United States |
| N9ONJ | GADDIS III, GLENN D | ROYAL CENTER | IN | United States |
| KV9N | MC DONALD, DANIEL M | ROYAL CENTER | IN | United States |
| KD9VZG | Raisor, Douglas F | Royal Center | IN | United States |