| Callsign | N3JNC |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2022-09-03 |
| Effective Date | 2026-01-14 |
| Expire Date | 2032-09-03 |
| Cancel Date | |
| Last Action Date | 2026-01-14 |
| End Date | 2032-09-03 |
| Available Date | 2034-09-04 |
| Applicant Type | I - Individual |
| Entity Name | KEEFER, MARK E |
| Street Address / Locality | 1654 Boulder Creek Rd. Oceanside, CA 92056 |
| County | San Diego County |
| Zip Location | 33°11'58.5"N 117°17'55.6"W |
| Maidenhead | DM13ie |
| FRN | 0003392198 |
| Licensee ID/SGIN | L00209636 / 000 |
| Licensee Class | G - General |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 3 / 6 / CA |
| Prev Callsign / Prev Class | P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 9406300638 |
| Phonetic weight / Morse weight | 12 / 62 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2001-02-14 | LIREN - License Renewed |
| 2012-03-20 | LIREN - License Renewed |
| 2022-09-03 | LIREN - License Renewed |
| 2025-08-14 | LIAUA - Administrative Update Applied |
| 2026-01-14 | LIAUA - Administrative Update Applied |
| 2026-01-14 | LIAUA - Administrative Update Applied |