Site navigation:
K Explanatory notes
7 Other tools main page
Application notes
Query tools main page
Silent Key callsign harvesting
Web site news (2026-10-03)
K7AQ (since 1987)
Look up a callsign:
Retrieving licensee (ID) callsign history for

L01623577

Navigation:
  • Scroll down to this licensee’s applications.
  • A Callsign opens its license & application history; an Entity Name opens the FRN history.
  • A Grant Date opens that day’s processing; an Effective Date opens the license record.
Notes:
  • A bold Callsign was assigned as a vanity callsign.
  • Active licenses are listed first, then by Effective Date; one table per FCC Registration Number.

With FCC Registration Number = ‘0020660528’

CallsignRegion
/ State		 Entity
Name		Applicant
Type		 Licensee
Class		 License
Status		 Grant
Date		Effective
Date		 Cancel
Date		Expire
Date
WP4OIX12 / PR CASTILLO ENCARNACION, FELICITA I - Individual T - Technician A - Active 2021-09-27 2021-09-27 2031-09-27
KF7OHR12 / PR Castillo Encarnacion, Felicita I - Individual T - Technician C - Canceled 2011-03-10 2011-03-10 2011-03-11 2021-03-10
Retrieving licensee (ID) application history for

L01623577

Navigation:
Notes:
  • The callsign a granted application received is shown bold on a green background, inferred from a same-day license grant on this FRN.
  • Receipt dates more than a month old have a gray background.
Receipt
Date		 Applicant
Callsign		Region
/ State		 Licensee
Class		 ULS File
Number		Application
Purpose		 Payment
Date		Last Action
Date		 Application
Status		 Vanity callsign(s)
applied for
Mon 2021-09-27 WP4OIX 12 / PR T - Technician 0009728672
B - Batch		 RM - Renewal/Modification (none) 2021-09-27 G - Granted —
Thu 2011-03-10 KF7OHR 12 / PR T - Technician 0004648020
I - Online		 MD - Modification (none) 2011-03-11 G - Granted —
Thu 2011-03-10 KF7OHR 7 / OR T - Technician 0004647202
B - Batch		 NE - New (none) 2011-03-10 G - Granted —