| Callsign | W4ZKK |
| Radio Service | HV - Vanity |
| License Status | C - Canceled |
| Grant Date | 2001-03-16 |
| Effective Date | 2004-06-11 |
| Expire Date | 2011-03-16 |
| Cancel Date | 2004-06-29 |
| Last Action Date | 2006-11-22 |
| End Date | 2004-06-29 |
| Available Date | 2006-12-23 |
| Applicant Type | I - Individual |
| Entity Name | TROLINGER, JOHN D |
| Street Address / Locality | 126 Pleasure Hill Rd Ingram, TX 780259704 |
| County | Kerr County |
| Zip Location | 30°04'50.9"N 99°16'56.5"W |
| Maidenhead | EM00ib |
| FRN | 0003893633 |
| Licensee ID/SGIN | L00263602 / 000 |
| Licensee Class | G - General |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 5 / TX |
| Prev Callsign / Prev Class | N3ZKK P - Technician Plus |
| Next Callsign | N5ZKK |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | |
| Phonetic weight / Morse weight | 10 / 64 |