Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB7CUM callsign genealogy
Currently held by HANSON, EARL J
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 WB7CUM's current licensee, walking backwards.
- Hanson, Michael EINgranted 2021-03-29cancelled 2021-04-16
Successor callsigns
Callsigns held now by people who previously held WB7CUM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB7CUM, oldest first.
- HANSON, EARL J UT2005-03-31 → cancelled 2017-06-28
- Hanson, Michael E IN2021-04-16 active