OJ0LA operating frequencies
| Band | CW | SSB | RTTY |
| 160M | 1827,5 KHz | 1845 KHz | - |
| 80M | 3503 KHz | 3792 KHz | 3582 KHz |
| 40M | 7003 KHz | 7052 KHz | 7032 KHz |
| 30M | 10103 KHz | - | 10140 KHz |
| 20M | 14015 KHz | 14175 KHz | 14082 KHz |
| 17M | 18085 KHz | 18135 KHz | 18102 KHz |
| 15M | 21015 KHz | 21275 KHz | 21082 KHz |
| 12M | 24905 KHz | 24935 KHz | 24922 KHz |
| 10M | 28015 KHz | 28475 KHz | 28082 KHz |
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