Retrieving license, trustee, & application history for
W4DTZ
W4DTZ is restricted to Technician class operators or higher.
W4DTZ is e - expired and is available.
Navigation:
- Scroll down to the applications that requested this callsign.
- An Entity Name opens everything filed under that licensee’s FCC Registration Number.
- A Grant Date opens all processing on that day; an Effective Date opens the license record.
Notes:
- Column headings link to an explanation of the column.
- A bold Applicant Type marks a vanity callsign assignment.
- Active licenses are listed first, then the rest by Effective Date, newest first.
| Entity Name | Applicant Type |
Licensee Class | Region / State | License Status |
Grant Date | Effective Date |
Cancel Date | Expire Date |
|---|---|---|---|---|---|---|---|---|
| ALLEN, WILLIAM M | I - Individual | G - General | 4 / FL | E - Expired | 2003-05-28 | 2003-05-28 | 2015-05-29 | 2013-05-28 |
Retrieving applications for
W4DTZ
W4DTZ is restricted to Technician class operators or higher.
W4DTZ is e - expired and is available.
Navigation:
- An Applicant callsign opens that callsign’s history; an Entity Name opens the applicant’s history.
- A ULS File Number opens the application detail; a Receipt Date opens that day’s applications.
Notes:
- Two dates or purposes in one row mean the application was amended or withdrawn: the latest change is on top, the original underneath.
- “Granted” means the application was granted, not necessarily with this callsign.
- Receipt dates more than a month old have a gray background.
| Receipt Date |
Applicant Callsign | Region / State |
Entity Name | ULS File Number | Application Purpose |
Payment Date | Last Action Date |
Application Status |
|---|---|---|---|---|---|---|---|---|
| Wed 2026-08-26 | KI4QAB | 4 / FL | BARRIONUEVO, WALTER C | 0012165426 I - Online |
MD - Modification | 2026-08-27 | 2026-09-15 | G - Granted |
| Tue 2025-03-25 | KQ4UJN | 4 / FL | Davis, Blevin C | 0011499853 I - Online |
MD - Modification | 2025-03-26 | 2025-04-12 | G - Granted |
| Fri 2020-01-17 | KO4BBN | 4 / VA | CARTER, CARL S | 0008947725 I - Online |
MD - Modification | (none) | 2020-02-04 | G - Granted |
| Wed 2017-04-05 | KL0PE | 8 / OH | ZIMMERMAN, DARREN T | 0007727465 I - Online |
MD - Modification | (none) | 2017-04-25 | G - Granted |
| Wed 2003-05-07 | KG4ZVG | 4 / FL | ALLEN, WILLIAM M | 0001310343 M - Manual |
MD - Modification | 2003-05-14 | 2003-05-28 | G - Granted |