| Callsign | KR4MDM |
|---|---|
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2025-06-21 |
| Effective Date | 2025-11-19 |
| Expire Date | 2035-06-21 |
| Cancel Date | |
| Last Action Date | 2025-11-19 |
| End Date | 2035-06-21 |
| Available Date | 2037-06-22 |
| Applicant Type | I - Individual |
| Entity Name | Martens, Mark D |
| Street Address / Locality | 12337 Woodrose Court Fort Myers, FL 33907 |
| County | Lee County |
| Zip Location | 26°33'50.0"N 81°52'13.0"W |
| Maidenhead | EL96bn |
| FRN | 0036795953 |
| Licensee ID/SGIN | L02913303 / 000 |
| Licensee Class | G - General |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / FL |
| Prev Callsign / Prev Class | KR4DSI T - Technician |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 0011779788 |
| Phonetic weight / Morse weight | 11 / 66 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2025-06-21 | LIISS - License Issued |
| 2025-06-21 | VANGRT - Vanity Call Sign Assigned |
| 2025-11-19 | LIMOD - License Modified |