Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1WZT callsign genealogy
Currently held by DONLON, JOHN F
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 W1WZT's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W1WZT.
No current licensee on record previously held this callsign.