Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB7UMO callsign genealogy
Currently held by Geimausaddle, Nakima R
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 WB7UMO's current licensee, walking backwards.
- Geimausaddle, Nakima RORgranted 2022-11-29cancelled 2022-12-20
Successor callsigns
Callsigns held now by people who previously held WB7UMO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB7UMO, oldest first.
- FINAZZI, MICHAEL J OR2009-01-07 → cancelled 2021-04-07
- Geimausaddle, Nakima R OR2022-12-20 active