| Callsign | AF1S |
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2025-09-16 |
| Effective Date | 2025-09-16 |
| Expire Date | 2035-09-16 |
| Cancel Date | |
| Last Action Date | 2025-09-16 |
| End Date | 2035-09-16 |
| Available Date | 2037-09-17 |
| Applicant Type | I - Individual |
| Entity Name | MALUMPHY, WILLIAM M |
| Street Address / Locality | PO Box 63 RICHMOND, MA 01254 |
| County | Berkshire County |
| Zip Location | 42°22'55.3"N 73°21'55.8"W |
| Maidenhead | FN32hj |
| FRN | 0016158222 |
| Licensee ID/SGIN | L01250945 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | A - 2x1 |
| ULS/Geo Region | 1 / 1 / MA |
| Prev Callsign / Prev Class | K1WMM P - Technician Plus |
| Next Callsign | K1WMM |
| Trustee Callsign / Trustee Name | |
| Vanity Type | A - Former Holder |
| ULS File Number | |
| Phonetic weight / Morse weight | 8 / 48 |