| Callsign | N4AOS |
|---|---|
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2026-05-07 |
| Effective Date | 2026-05-07 |
| Expire Date | 2036-07-29 |
| Cancel Date | |
| Last Action Date | 2026-05-07 |
| End Date | 2036-07-29 |
| Available Date | 2038-07-30 |
| Applicant Type | I - Individual |
| Entity Name | Chaloupka, Andrew |
| Street Address / Locality | 103 Starchase Lane Madison, AL 35758 |
| County | Madison County |
| Zip Location | 34°42'41.1"N 86°44'47.4"W |
| Maidenhead | EM64pr |
| FRN | 0002677557 |
| Licensee ID/SGIN | L00237974 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 4 / AL |
| Prev Callsign / Prev Class | KB9WHV G - General |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | |
| Phonetic weight / Morse weight | 12 / 52 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2016-07-29 | LIISS - License Issued |
| 2016-07-29 | VANGRT - Vanity Call Sign Assigned |
| 2017-06-27 | LIAUA - Administrative Update Applied |
| 2017-09-19 | LIAUA - Administrative Update Applied |
| 2026-05-07 | LIREN - License Renewed |