| Callsign | W4NJK |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2017-01-04 |
| Effective Date | 2026-06-05 |
| Expire Date | 2027-03-03 |
| Cancel Date | |
| Last Action Date | 2026-06-05 |
| End Date | 2027-03-03 |
| Available Date | 2029-03-04 |
| Applicant Type | I - Individual |
| Entity Name | Mason III, Charles P |
| Street Address / Locality | 5605 N Gates Ave Apt 201 Fresno, CA 93722 |
| County | Fresno County |
| Zip Location | 36°48'06.5"N 119°52'44.8"W |
| Maidenhead | DM06bt |
| FRN | 0003133493 |
| Licensee ID/SGIN | L00215967 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 6 / CA |
| Prev Callsign / Prev Class | A - Advanced |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0012070082 |
| Phonetic weight / Morse weight | 12 / 62 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2000-03-08 | LIMOD - License Modified |
| 2006-12-06 | LIREN - License Renewed |
| 2017-01-04 | LIREN - License Renewed |
| 2026-06-05 | LIAUA - Administrative Update Applied |