Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4WJO callsign genealogy
Currently held by OLynnger, William J
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 W4WJO's current licensee, walking backwards.
- O Lynnger, William JFLgranted 2006-09-26cancelled 2006-10-17
Successor callsigns
Callsigns held now by people who previously held W4WJO.
No current licensee on record previously held this callsign.