| Callsign | N6ZNL |
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 2010-04-06 |
| Effective Date | 2010-04-06 |
| Expire Date | 2020-06-26 |
| Cancel Date | 2022-06-28 |
| Last Action Date | 2022-06-28 |
| End Date | 2020-06-26 |
| Available Date | 2022-07-29 |
| Applicant Type | I - Individual |
| Entity Name | Martherus, Ludwig J |
| Street Address / Locality | 1770 S Heritage Dr Gilbert, AZ 852954851 |
| County | Maricopa County |
| Zip Location | 33°18'11.6"N 111°44'30.5"W |
| Maidenhead | DM43dh |
| FRN | 0001969286 |
| Licensee ID/SGIN | L00196539 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 6 / 7 / AZ |
| Prev Callsign / Prev Class | KC6LEE P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0004200544 |
| Phonetic weight / Morse weight | 11 / 56 |