| Callsign | KM4OBI |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2025-09-04 |
| Effective Date | 2025-09-04 |
| Expire Date | 2035-10-13 |
| Cancel Date | |
| Last Action Date | 2025-09-04 |
| End Date | 2035-10-13 |
| Available Date | 2037-10-14 |
| Applicant Type | I - Individual |
| Entity Name | HALL, MARK F |
| Street Address / Locality | 5718 OAK APPLE CT Burke, VA 22015 |
| County | Fairfax County |
| Zip Location | 38°47'15.7"N 77°16'43.6"W |
| Maidenhead | FM18is |
| FRN | 0024934291 |
| Licensee ID/SGIN | L01975043 / 000 |
| Licensee Class | G - General |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / VA |
| Prev Callsign / Prev Class | T - Technician |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0007091135 |
| Phonetic weight / Morse weight | 12 / 68 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2015-10-13 | SYSGRT - New Systematic Call Sign Assigned |
| 2015-10-13 | LIISS - License Issued |
| 2015-10-16 | LIAUA - Administrative Update Applied |
| 2016-01-11 | LIMOD - License Modified |
| 2025-09-04 | LIREN - License Renewed |