KM4CTB Nodes
| Node | Bubble Map | Frequency | CTCSS | Location | Links |
|---|---|---|---|---|---|
| 520680 | Bubble | 444.075 + | 127.3 | Jacksonville Beach, FL | 510744 |
| 520681 | Bubble | HOIP RF LINK 15164 | Jacksonville Beach, FL | 1981 | |
| 520685 | Bubble | 147.390/KM4CTB-R | 127.3 | Jacksonville Beach,FL | |
| 520686 | Bubble | 446.100 | 110.9 | Jacksonville Beach, FL | 45192 |
| 520687 | Bubble | Radioless node | Jacksonville Beach, FL | 1987 |