| Date ▼ | UTC | Station | Country / Site | kHz | Language | Flags |
|---|---|---|---|---|---|---|
| 10-Dec-1990 Dec-1990 | 0310 | Radio Reloj | Costa Rica · San José | 4839.5 60m | Spanish | |
| 27-Dec-1981 Dec-1981 | 0748 | Radio Reloj | Costa Rica · San José | 4832 60m | Spanish | ▶ REC |
| 16-Apr-1979 Apr-1979 | 0745 | Radio Reloj | Costa Rica · San José | 4832 60m | Spanish | QSL? NEW STATION NEW COUNTRY |