| Callsign | N4YIZ |
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 2009-12-14 |
| Effective Date | 2009-12-14 |
| Expire Date | 2020-03-13 |
| Cancel Date | 2022-03-15 |
| Last Action Date | 2022-03-15 |
| End Date | 2020-03-13 |
| Available Date | 2022-04-15 |
| Applicant Type | I - Individual |
| Entity Name | DOUGLAS, FLOYD H |
| Street Address / Locality | 1131 CRANBERRY DR MURFREESBORO, TN 37129 |
| County | Rutherford County |
| Zip Location | 35°55'57.1"N 86°26'33.5"W |
| Maidenhead | EM65sw |
| FRN | 0002540771 |
| Licensee ID/SGIN | L00185445 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 4 / TN |
| Prev Callsign / Prev Class | KC4GZT P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0004063171 |
| Phonetic weight / Morse weight | 12 / 58 |