Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WO1O callsign genealogy
Currently held by ARINI, ANTONIO
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 WO1O's current licensee, walking backwards.
- LYKINS, CHARLES WFLgranted 2001-03-15cancelled 2003-07-26
Successor callsigns
Callsigns held now by people who previously held WO1O.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WO1O, oldest first.
- ARINI, ANTONIO MA1991-02-05 → cancelled 2003-02-06
- LYKINS, CHARLES W FL2023-05-17 active