Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4MKW callsign genealogy
Currently held by WILKERSON, MICHAEL K
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by W4MKW's current licensee, walking backwards.
- WILKERSON, MICHAEL KSCgranted 2013-05-16cancelled 2013-06-11
Successor callsigns
Callsigns held now by people who previously held W4MKW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4MKW, oldest first.
- HAINES SR, WALLACE S FL1991-12-17 → cancelled 2003-12-18
- WILKERSON, MICHAEL K SC2013-06-11 → cancelled 2025-06-12