Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WO0X callsign genealogy
Currently held by RICHARDS, FRANK
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 WO0X's current licensee, walking backwards.
- LANDMAN, RONALD GNDgranted 2020-01-29cancelled 2023-03-21
Successor callsigns
Callsigns held now by people who previously held WO0X.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WO0X, oldest first.
- RICHARDS, FRANK MO1998-08-14 → cancelled 2010-08-17
- GARGOVICH, REO G OR2010-09-25 → cancelled 2022-09-27
- LANDMAN, RONALD G ND2023-03-21 active