| Callsign | W1MHL |
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2026-04-30 |
| Effective Date | 2026-04-30 |
| Expire Date | 2036-06-29 |
| Cancel Date | |
| Last Action Date | 2026-04-30 |
| End Date | 2036-06-29 |
| Available Date | 2038-06-30 |
| Applicant Type | B - Amateur Club |
| Entity Name | WALTHAM AMATEUR RADIO ASSOCIATION INC |
| Street Address / Locality | PO Box 411 Waltham, MA 02454 |
| County | Middlesex |
| Zip Location | 42°21'24.1"N 71°15'01.8"W |
| Maidenhead | FN42ii |
| FRN | 0014690879 |
| Licensee ID/SGIN | L01119259 / 000 |
| Licensee Class | |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 1 / 1 / MA |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | W1MJ MAYER, ELIOT P |
| Vanity Type | C - Former Holder (Club) |
| ULS File Number | 0012014943 |
| Phonetic weight / Morse weight | 8 / 64 |