Radioamateur regulation in Greece and amateur radio prefixes.
| Class 1 Radioamateursmateurs | Class1 - HAREC | SV1, SV2...SV9, folowing by two, three or four letters. |
| Entry Level Radioamateurs | Entry Level- No HAREC | SY1, SY2... SY9, following by three or four letters. |
| Foreigner Amateurs with SV0 licence | Radioamateurs from another country (no CEPT) , having not greek amateur licence | SV0, following by two or three letters starting from Xaa, XAB, etc, and ending XZZ. |
| Legal Entities | Clubs, Beacons, Telecommunication Authority, etc | SV1... to SV9, SZ1... to SZ9, SX1... to SX9, SY1... to SY9, J41... to J49. |
| Special Callsigns | Groups, Clubs, Legal Entities | SV1... to SV9, SZ1... to SZ9, SX1... to SX9, SY1... to SY9, J41... to J49. |
| Special Callsigns | Foreigner Radioamateurs getting licenced in Greece | SW1... to SW9 |
| Repeaters, Beacons | Voice Repeaters | SV1... to SV9, SW1... to SW9, following by one letter |
| Repeaters, Beacons | Beacons | SV1... to SV9, SW1... to SW9, following by one, two, three or four letters |
| Repeaters, Beacons | Digital | J41...to J49, following by three letters. |