| Callsign | N1MBT |
|---|---|
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2026-02-24 |
| Effective Date | 2026-02-24 |
| Expire Date | 2036-02-24 |
| Cancel Date | |
| Last Action Date | 2026-02-24 |
| End Date | 2036-02-24 |
| Available Date | 2038-02-25 |
| Applicant Type | I - Individual |
| Entity Name | Portwine, Richard G |
| Street Address / Locality | 24 Ridgefield Dr Gorham, ME 04038 |
| County | Cumberland County |
| Zip Location | 43°42'04.9"N 70°27'46.7"W |
| Maidenhead | FN43sq |
| FRN | 0016807570 |
| Licensee ID/SGIN | L01334227 / 000 |
| Licensee Class | G - General |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 1 / 1 / ME |
| Prev Callsign / Prev Class | KR4BNH |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | |
| Phonetic weight / Morse weight | 9 / 56 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2026-02-24 | LIISS - License Issued |
| 2026-02-24 | VANGRT - Vanity Call Sign Assigned |