| Callsign | KP4ERC |
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2021-08-23 |
| Effective Date | 2021-08-23 |
| Expire Date | 2031-08-23 |
| Cancel Date | |
| Last Action Date | 2024-03-13 |
| End Date | 2031-08-23 |
| Available Date | 2033-08-24 |
| Applicant Type | B - Amateur Club |
| Entity Name | SOUTHWEST AMATEUR EMERGENCY RADIO CLUB |
| Street Address / Locality | PO BOX 905 SAN GERMAN, PR 00683 |
| County | San Germán Municipio |
| Zip Location | 18°06'28.1"N 67°02'14.1"W |
| Maidenhead | FK68lc |
| FRN | 0027293257 |
| Licensee ID/SGIN | L02166253 / 000 |
| Licensee Class | |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 12 / 12 / PR |
| Prev Callsign / Prev Class | WP4PZF |
| Next Callsign | |
| Trustee Callsign / Trustee Name | WP4NWP OLIVENCIA-MINGUELA, ESTHER M |
| Vanity Type | F - By List (Club) |
| ULS File Number | |
| Phonetic weight / Morse weight | 13 / 68 |