Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4ZO callsign genealogy
Currently held by Megginson, William C
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 KX4ZO's current licensee, walking backwards.
- Megginson, William CFLgranted 2020-02-10cancelled 2020-07-08
Successor callsigns
Callsigns held now by people who previously held KX4ZO.
No current licensee on record previously held this callsign.