| Callsign | KP4X |
| Radio Service | HV - Vanity |
| License Status | C - Canceled |
| Grant Date | 1997-05-20 |
| Effective Date | 1997-05-20 |
| Expire Date | 2007-05-20 |
| Cancel Date | 2006-01-06 |
| Last Action Date | 2006-01-06 |
| End Date | 2006-01-06 |
| Available Date | 2008-01-07 |
| Applicant Type | I - Individual |
| Entity Name | RODRIGUEZ SANTIAGO, RAFAEL |
| Street Address / Locality | 530 JOSE R ACOSTA ST ROOSEVELT HATO REY, PR 00918 |
| County | San Juan Municipio |
| Zip Location | 18°25'15.7"N 66°03'56.8"W |
| Maidenhead | FK68xk |
| FRN | 0000071712 |
| Licensee ID/SGIN | L00878717 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | A - 2x1 |
| ULS/Geo Region | 12 / 12 / PR |
| Prev Callsign / Prev Class | KP4SP A - Advanced |
| Next Callsign | KV4Z |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 9704210103 |
| Phonetic weight / Morse weight | 8 / 54 |