Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WO0F callsign genealogy
Currently held by LAGERMANN JR, HENRY F
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 WO0F's current licensee, walking backwards.
- NIELSEN, LUCASWAgranted 2022-07-26cancelled 2024-10-25
Successor callsigns
Callsigns held now by people who previously held WO0F.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WO0F, oldest first.
- LAGERMANN JR, HENRY F MO2012-07-31 → cancelled 2024-10-08
- NIELSEN, LUCAS WA2024-10-25 active