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

K4SYS

K4SYS 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
Cordero, Richard I - Individual T - Technician4 / NC A - Active 2026-08-21 2026-08-21 2036-08-21
SHERROUSE SR, CHARLES M I - Individual T - Technician4 / FL E - Expired 2003-08-29 2003-08-29 2015-09-01 2013-08-29

Retrieving applications for

K4SYS

K4SYS 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  • Two dates or purposes in one row mean the application was amended or withdrawn: the latest change is on top, the original underneath.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
Mon 2026-08-03 KR4NXY 4 / NC Cordero, Richard 0012138068
I - Online
MD - Modification 2026-08-03 2026-08-21 G - Granted
Thu 2025-05-08 KN4POZ 4 / FL McDow, Mark E 0011561965
I - Online
MD - Modification 2025-05-09 2025-05-28 G - Granted
Mon 2023-12-11 KO4KNZ 4 / GA GOODSON, CHRISTOPHER 0010809502
I - Online
MD - Modification 2023-12-11 2023-12-29 G - Granted
Fri 2023-04-07 KQ4HNE 4 / SC Henson Sr, David M 0010492280
I - Online
MD - Modification 2023-04-07 2023-04-25 G - Granted
Thu 2003-09-04 KF4CJL 4 / GA DONAHUE, ROBERT F 0001439838
I - Online
MD - Modification 2003-09-05 2003-09-23 G - Granted
Mon 2003-08-11 KF4SYS 4 / FL SHERROUSE SR, CHARLES M 0001413694
I - Online
MD - Modification 2003-08-12 2003-08-29 G - Granted