Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9BEF callsign genealogy
Currently held by TROBAUGH, RICHARD L
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 KB9BEF's current licensee, walking backwards.
- Trobaugh, Richard LILgranted 2014-04-03cancelled 2014-05-13
Successor callsigns
Callsigns held now by people who previously held KB9BEF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB9BEF, oldest first.
- TROBAUGH, RICHARD L IL1999-12-08 → cancelled 2011-12-09
- Trobaugh, Richard L IL2014-05-13 → cancelled 2026-05-14