| Callsign | N4RKU |
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 2004-01-28 |
| Effective Date | 2011-10-25 |
| Expire Date | 2014-03-22 |
| Cancel Date | 2016-03-23 |
| Last Action Date | 2016-03-23 |
| End Date | 2014-03-22 |
| Available Date | 2016-04-23 |
| Applicant Type | I - Individual |
| Entity Name | MAULDIN JR, WILLIAM D |
| Street Address / Locality | 1010 CANONERO DRIVE GREENSBORO, NC 274103804 |
| County | Guilford County |
| Zip Location | 36°07'03.1"N 79°53'39.3"W |
| Maidenhead | FM06bc |
| FRN | 0001826726 |
| Licensee ID/SGIN | L00188932 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 4 / NC |
| Prev Callsign / Prev Class | KC4AEJ P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0004927439 |
| Phonetic weight / Morse weight | 13 / 54 |