Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0FZO callsign genealogy
Currently held by 3900 CLUB
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 W0FZO's current licensee, walking backwards.
- KC0DIDcancelledOLSON, TODcancelled 1999-05-26
Successor callsigns
Callsigns held now by people who previously held W0FZO.
No current licensee on record previously held this callsign.