Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WO0I callsign genealogy
Currently held by COULTER, JEANETTE I
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 WO0I's current licensee, walking backwards.
- Uhlir Jr, Charles GCOgranted 2022-05-19cancelled 2024-03-15
Successor callsigns
Callsigns held now by people who previously held WO0I.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WO0I, oldest first.
- COULTER, JEANETTE I AZ2011-12-05 → cancelled 2024-02-27
- Uhlir Jr, Charles G CO2024-03-15 active