R4HKO
| Country: | Russia (European) |
| Callsign details: | Russia (European), Samarskaya oblast' (SR), 2nd Class |
| CQ: | 16 |
| ITU: | 30 |
| Latitude: | 53.45 |
| Longitude: | 50.45 |
| UTC offset: | -4 |
| Continent: | EU |
| Country: | Russia (European) |
| Callsign details: | Russia (European), Samarskaya oblast' (SR), 2nd Class |
| CQ: | 16 |
| ITU: | 30 |
| Latitude: | 53.45 |
| Longitude: | 50.45 |
| UTC offset: | -4 |
| Continent: | EU |