| Callsign | KP4EFR |
| Radio Service | HV - Vanity |
| License Status | C - Canceled |
| Grant Date | 2010-10-01 |
| Effective Date | 2011-04-06 |
| Expire Date | 2020-10-01 |
| Cancel Date | 2011-04-26 |
| Last Action Date | 2011-04-26 |
| End Date | 2011-04-26 |
| Available Date | 2013-04-27 |
| Applicant Type | I - Individual |
| Entity Name | FELICIANO RIVERA, EDWIN A |
| Street Address / Locality | PO Box 1422 Manati, PR 00674 |
| County | Manatí Municipio |
| Zip Location | 18°25'22.5"N 66°29'21.6"W |
| Maidenhead | FK68sk |
| FRN | 0007800816 |
| Licensee ID/SGIN | L00590447 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 12 / 12 / PR |
| Prev Callsign / Prev Class | NP3BS G - General |
| Next Callsign | KP4EF |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 0004679334 |
| Phonetic weight / Morse weight | 13 / 66 |