Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WO4LEO callsign genealogy
Currently held by Averill, Robert 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 WO4LEO's current licensee, walking backwards.
- Averill, Robert JFLgranted 2021-08-11cancelled 2021-09-10
Successor callsigns
Callsigns held now by people who previously held WO4LEO.
No current licensee on record previously held this callsign.