KP4TI

KP4TI is restricted to amateurs with a USPS address in Puerto Rico

KP4TI is restricted to Technician class operators or higher.

KP4TI is e - expired and is available.

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.

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
DIAZ NEVAL, ARTURO	I - Individual	A - Advanced	12 / PR	E - Expired	2013-12-24	2013-12-24	2026-03-06	2024-03-05

KP4TI is restricted to amateurs with a USPS address in Puerto Rico

KP4TI is restricted to Technician class operators or higher.

KP4TI is e - expired and is available.

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.

Two dates or purposes in one row mean the application was amended or withdrawn: the latest change is on top, the original underneath.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 2026-06-08	WP4QHT	12 / PR	Schindler, Karl A	0012068468 I - Online	AM - Amendment	2026-06-04	2026-06-26	G - Granted
Mon 2026-06-01	WP4QZH	12 / PR	Rivera, Victor J	0012062081 I - Online	MD - Modification	2026-06-03	2026-06-19	G - Granted
Mon 2000-02-14	WP4DKY	12 / PR	ACEVEDO SR, NOEL	0000084804 M - Manual	MD - Modification	2000-02-25	2000-03-03	D - Dismissed