| Callsign | KR4CWN |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2025-04-08 |
| Effective Date | 2025-05-05 |
| Expire Date | 2035-04-08 |
| Cancel Date | |
| Last Action Date | 2025-05-05 |
| End Date | 2035-04-08 |
| Available Date | 2037-04-09 |
| Applicant Type | I - Individual |
| Entity Name | Martinec, Mark A |
| Street Address / Locality | 3629 Cunningham Rd Knoxville, TN 37918 |
| County | Knox County |
| Zip Location | 36°03'24.7"N 83°55'02.5"W |
| Maidenhead | EM86ab |
| FRN | 0036833119 |
| Licensee ID/SGIN | L02916892 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / TN |
| Prev Callsign / Prev Class | T - Technician |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0011555940 |
| Phonetic weight / Morse weight | 14 / 70 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2025-04-08 | SYSGRT - New Systematic Call Sign Assigned |
| 2025-04-08 | LIISS - License Issued |
| 2025-05-05 | LIMOD - License Modified |