| Date ▼ | UTC | Station | Country / Site | kHz | Language | Flags |
|---|---|---|---|---|---|---|
| 03-Oct-1981 Oct-1981 | 0028 | Radio Difusora do Maranhão | Brazil · Sao Luiz | 4756 60m | Portuguese | NEW STATION |
| 01-Oct-1981 Oct-1981 | 0150 | Radio Difusora do Maranhão | Brazil · Sao Luiz | 4756 60m | Portuguese | |
| 09-Sep-1981 Sep-1981 | 2352 | Radio Difusora do Maranhão(?) | Brazil · Sao Luiz | 4756 60m | Portuguese | |
| 12-Jun-1981 Jun-1981 | 0120 | Radio Difusora do Maranhão(?) | Brazil · Sao Luiz | 4756 60m | Portuguese |