Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9FMB callsign genealogy
Currently held by SOBANSKI, PAUL E
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 K9FMB's current licensee, walking backwards.
- FRIEDMAN, BARRY MILgranted 2021-03-16cancelled 2021-04-06
Successor callsigns
Callsigns held now by people who previously held K9FMB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9FMB, oldest first.
- SOBANSKI, PAUL E NE1995-04-17 → cancelled 2007-04-18
- FRIEDMAN, BARRY M IL2021-04-06 active