| Callsign | KR4OSO |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2026-09-01 |
| Effective Date | 2026-09-29 |
| Expire Date | 2036-09-01 |
| Cancel Date | |
| Last Action Date | 2026-09-29 |
| End Date | 2036-09-01 |
| Available Date | 2038-09-02 |
| Applicant Type | I - Individual |
| Entity Name | Thomas, Stephen |
| Street Address / Locality | 13401 Maymount Dr Culpeper, VA 22701 |
| County | Culpeper County |
| Zip Location | 38°26'19.6"N 77°59'46.5"W |
| Maidenhead | FM18ak |
| FRN | 0037269883 |
| Licensee ID/SGIN | L02952673 / 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 | 0012202382 |
| Phonetic weight / Morse weight | 14 / 72 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2026-09-01 | SYSGRT - New Systematic Call Sign Assigned |
| 2026-09-01 | LIISS - License Issued |
| 2026-09-29 | LIMOD - License Modified |