| Callsign | W1JHK |
|---|---|
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2025-07-18 |
| Effective Date | 2025-12-17 |
| Expire Date | 2035-07-18 |
| Cancel Date | |
| Last Action Date | 2025-12-17 |
| End Date | 2035-07-18 |
| Available Date | 2037-07-19 |
| Applicant Type | I - Individual |
| Entity Name | Knowles, John H |
| Street Address / Locality | 49 Walnut St Devens, MA 014345072 |
| County | Worcester County |
| Zip Location | 42°32'23.1"N 71°36'44.4"W |
| Maidenhead | FN42em |
| FRN | 0036894327 |
| Licensee ID/SGIN | L02922967 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 1 / 1 / MA |
| Prev Callsign / Prev Class | KC1WPH G - General |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 0011834401 |
| Phonetic weight / Morse weight | 10 / 70 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2025-07-18 | LIISS - License Issued |
| 2025-07-18 | VANGRT - Vanity Call Sign Assigned |
| 2025-12-15 | LIMOD - License Modified |
| 2025-12-17 | LIMOD - License Modified |