| Callsign | K4QQK |
|---|---|
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2016-08-10 |
| Effective Date | 2016-08-10 |
| Expire Date | 2026-11-05 |
| Cancel Date | 2026-02-02 |
| Last Action Date | 2026-09-03 |
| End Date | 2026-02-02 |
| Available Date | 2028-02-03 |
| Applicant Type | I - Individual |
| Entity Name | MAHRENHOLZ, BOB G |
| Street Address / Locality | 307 OLD FORT ST TULLAHOMA, TN 373882942 |
| County | Coffee County |
| Zip Location | 35°20'37.2"N 86°13'16.7"W |
| Maidenhead | EM65vi |
| FRN | 0003006178 |
| Licensee ID/SGIN | L00253574 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 4 / TN |
| Prev Callsign / Prev Class | P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0007372588 |
| Phonetic weight / Morse weight | 10 / 70 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2000-06-07 | LIMOD - License Modified |
| 2006-09-29 | LIREN - License Renewed |
| 2016-08-10 | LIREN - License Renewed |
| 2016-08-11 | INTDUP |
| 2016-08-12 | AUTHPR - Authorization Printed |
| 2026-09-03 | COR - Internal Correction Applied |
| 2026-09-03 | COR - Internal Correction Applied |
FCC comments
| 2026-09-03 | Per case HD0001667073 licensee deceased on 02/02/2026. cpg |