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

WK4F

WK4F is restricted to Amateur Extra class operators.
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
CLARK JR, WILLIAM D I - Individual E - Amateur Extra4 / GA A - Active 2019-05-21 2022-06-28 2029-05-21
Trapp, Robert L I - Individual E - Amateur Extra4 / SC E - Expired 2007-05-01 2007-05-01 2019-05-02 2017-05-01
HELWIG, WILLIAM J I - Individual E - Amateur Extra4 / TN C - Canceled 1997-06-20 1997-06-20 2000-10-20 2007-06-20

Retrieving applications for

WK4F

WK4F is restricted to Amateur Extra class operators.
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  • Two dates or purposes in one row mean the application was amended or withdrawn: the latest change is on top, the original underneath.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
Wed 2025-08-27 N7WU 4 / VA HARPER, JAMES R 0011705984
I - Online
MD - Modification 2025-08-28 2025-09-16 G - Granted
Tue 2019-05-21 K4WCV 4 / NC MILBACK, ROBERT P 0008653925
I - Online
MD - Modification (none) 2019-06-08 D - Dismissed
Thu 2019-05-02 KA4DNS 4 / GA CLARK JR, WILLIAM D 0008624539
I - Online
MD - Modification (none) 2019-05-21 G - Granted
Mon 2019-04-29 K4WCV 4 / NC MILBACK, ROBERT P 0008620857
I - Online
MD - Modification (none) 2019-05-17 D - Dismissed
Wed 2007-04-11 KV4HP 4 / SC Trapp, Robert L 0002990861
I - Online
MD - Modification 2007-04-12 2007-05-01 G - Granted
Tue 2007-04-10 KI4TLT 4 / GA WESTER, CHARLES W 0002976362
I - Online
AM - Amendment 2007-04-04 2007-04-28 G - Granted
Tue 2007-04-03 KB8RXM 4 / FL WRIGHT, TIMOTHY R 0002970016
I - Online
AM - Amendment 2007-03-29 2007-04-21 G - Granted
Tue 2007-03-20 KI4TRN 4 / TN Odom, Benjamin D 0002925672
I - Online
AM - Amendment 2007-03-01 2007-04-07 G - Granted
Mon 2007-03-19 KI4SJV 4 / GA Cain, Steven J 0002955787
I - Online
MD - Modification 2007-03-20 2007-04-06 G - Granted