Retrieving license, trustee, & application history for
NP4TB
NP4TB is restricted to amateurs with a USPS address in Puerto Rico
NP4TB is restricted to Technician class operators or higher.
NP4TB 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 |
|---|---|---|---|---|---|---|---|---|
| SICILIA, ROBERT J | I - Individual | G - General | 12 / PR | E - Expired | 1987-12-15 | 1987-12-15 | 1999-12-16 | 1997-12-15 |
Retrieving applications for
NP4TB
NP4TB is restricted to amateurs with a USPS address in Puerto Rico
NP4TB is restricted to Technician class operators or higher.
NP4TB 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- Two dates or purposes in one row mean the application was amended or withdrawn: the latest change is on top, the original underneath.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 |
|---|---|---|---|---|---|---|---|---|
| Mon 2025-08-18 | KN4SWR | 4 / FL | Borduas Jr, Theodore R | 0011693030 I - Online |
MD - Modification | 2025-08-22 | 2025-09-05 | D - Dismissed |
| Wed 2019-10-02 | WP4RFY | 12 / PR | Fajar Marrero, Jose M | 0008822799 I - Online |
MD - Modification | (none) | 2019-10-22 | G - Granted |
| Tue 2017-01-03 | WP4OOB | 12 / PR | BACENET-TIRADO, ANTONIO | 0007607640 I - Online |
MD - Modification | (none) | 2017-01-21 | G - Granted |
| Tue 2007-06-12 | WP4KZF | 12 / PR | LUNA, RENE A | 0003066724 I - Online |
MD - Modification | 2007-06-13 | 2007-07-03 | G - Granted |