NP4BB

NP4BB is restricted to amateurs with a USPS address in Puerto Rico

NP4BB is restricted to Technician class operators or higher.

NP4BB is c - canceled 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
ECHEVARRIA PADILLA, DAVID A	I - Individual	E - Amateur Extra	12 / PR	C - Canceled	2017-02-10	2017-07-24	2021-03-09	2027-02-10

NP4BB is restricted to amateurs with a USPS address in Puerto Rico

NP4BB is restricted to Technician class operators or higher.

NP4BB is c - canceled 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Two dates or purposes in one row mean the application was amended or withdrawn: the latest change is on top, the original underneath.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 2017-01-23	KP4DEP	12 / PR	ECHEVARRIA PADILLA, DAVID A	0007629058 I - Online	MD - Modification	(none)	2017-02-10	G - Granted
Wed 1999-12-08	NP4OF	12 / PR	ESTRADA, MANUEL	0000059699 M - Manual	MD - Modification	1999-12-18	1999-12-18	D - Dismissed