KP4BY

KP4BY is restricted to amateurs with a USPS address in Puerto Rico

KP4BY is restricted to Technician class operators or higher.

KP4BY is c - canceled, but is not yet 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
Puerto Rico CW And Contest Group	B - Amateur Club		12 / PR	C - Canceled	2025-05-09	2025-05-09	2025-05-28	2035-02-24

KP4BY is restricted to amateurs with a USPS address in Puerto Rico

KP4BY is restricted to Technician class operators or higher.

KP4BY is c - canceled, but is not yet 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Two dates or purposes in one row mean the application was amended or withdrawn: the latest change is on top, the original underneath.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
Wed 2004-02-04	WP4NPE	12 / PR	Puerto Rico CW And Contest Group	0001611414 M - Manual	MD - Modification	2004-02-10	2004-02-24	G - Granted
Mon 2002-05-13	KP4DOT	12 / PR	Cubero Caban Sr., Luis A	0000884652 I - Online	MD - Modification	2002-05-14	2002-05-31	G - Granted
Mon 2000-01-24	WP4MYK	12 / PR	LUGO VELAZQUEZ, GABRIEL	0000075631 M - Manual	MD - Modification	2000-02-02	2000-02-11	D - Dismissed