Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4ZWO callsign genealogy
Currently held by MEEKINS, WILLIAM L
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 K4ZWO's current licensee, walking backwards.
- TRUE, DAVID RKYgranted 2013-01-17cancelled 2021-05-14
Successor callsigns
Callsigns held now by people who previously held K4ZWO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4ZWO, oldest first.
- MEEKINS, WILLIAM L NC2009-01-23 → cancelled 2021-04-24
- TRUE, DAVID R KY2021-05-14 active