Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WF0M callsign genealogy
Currently held by KAUFER, JAMES A
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 WF0M's current licensee, walking backwards.
- Wasserburger, Michael FCOgranted 2019-12-16cancelled 2020-01-28
Successor callsigns
Callsigns held now by people who previously held WF0M.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WF0M, oldest first.
- KAUFER, JAMES A ND2007-11-28 → cancelled 2019-12-31
- Wasserburger, Michael F CO2020-01-28 active