K7AQ (since 1987)
Retrieving license, trustee, & application history for

W4OSO

W4OSO is restricted to Technician class operators or higher.
Navigation:
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
Aubut, Michael P I - Individual T - Technician4 / FL A - Active 2026-09-15 2026-09-15 2036-09-15
None – / C - Canceled — 1998-04-23

Retrieving applications for

W4OSO

W4OSO is restricted to Technician class operators or higher.
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  • Two dates or purposes in one row mean the application was amended or withdrawn: the latest change is on top, the original underneath.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
Thu 2026-08-27 KR4OHU 4 / FL Aubut, Michael P 0012165955
I - Online
MD - Modification 2026-08-27 2026-09-15 G - Granted
Mon 2024-03-18 KQ4PHL 4 / NC Harris, Sean D 0010972141
I - Online
AM - Amendment 2024-03-13 2024-04-05 G - Granted
Mon 2003-05-05 KG4FGX 4 / FL Adams, Joshua C 0001299068
I - Online
MD - Modification 2003-05-06 2003-05-23 G - Granted
Mon 2002-12-02 N4IJ 4 / NC SNOWDEN, DOUGLAS R 0001107241
I - Online
RM - Renewal/Modification 2002-12-03 2002-12-03 D - Dismissed