| Callsign | N4TFB |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2018-03-22 |
| Effective Date | 2025-09-30 |
| Expire Date | 2028-06-18 |
| Cancel Date | |
| Last Action Date | 2025-09-30 |
| End Date | 2028-06-18 |
| Available Date | 2030-06-19 |
| Applicant Type | I - Individual |
| Entity Name | DUBOVSKY, STEPHEN M |
| Street Address / Locality | 611 Byrants Nursery Rd SILVER SPRING, MD 20905 |
| County | Montgomery County |
| Zip Location | 39°06'35.5"N 76°59'17.1"W |
| Maidenhead | FM19mc |
| FRN | 0019422518 |
| Licensee ID/SGIN | L01537092 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 3 / MD |
| Prev Callsign / Prev Class | P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0004070229 |
| Phonetic weight / Morse weight | 11 / 52 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2009-12-18 | LITIN - TIN Updated |
| 2009-12-18 | LIREN - License Renewed |
| 2018-03-22 | LIREN - License Renewed |
| 2025-09-30 | LIAUA - Administrative Update Applied |