| Callsign | KA1EW |
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 2013-07-12 |
| Effective Date | 2013-07-12 |
| Expire Date | 2024-03-05 |
| Cancel Date | 2026-03-06 |
| Last Action Date | 2026-03-06 |
| End Date | 2024-03-05 |
| Available Date | 2026-04-06 |
| Applicant Type | I - Individual |
| Entity Name | CHRISTOPHERSON, WILLIAM A |
| Street Address / Locality | 21 VERNON RD MEDWAY, MA 020531307 |
| County | Norfolk County |
| Zip Location | 42°09'22.3"N 71°25'49.2"W |
| Maidenhead | FN42gd |
| FRN | 0009545922 |
| Licensee ID/SGIN | L00738776 / 000 |
| Licensee Class | A - Advanced |
| Callsign Group | B - 2x2 |
| ULS/Geo Region | 1 / 1 / MA |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0005856460 |
| Phonetic weight / Morse weight | 9 / 56 |