Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB7ULF callsign genealogy
Currently held by OSTERMAN, MARIE G
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 WB7ULF's current licensee, walking backwards.
- OSTERMAN, MARIE GUTgranted 2016-10-28cancelled 2017-01-21
Successor callsigns
Callsigns held now by people who previously held WB7ULF.
No current licensee on record previously held this callsign.