Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF3BU callsign genealogy
Currently held by KOEHLER, DAVID 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 KF3BU's current licensee, walking backwards.
- KOEHLER, DAVID Acancelled 1998-06-26
Successor callsigns
Callsigns held now by people who previously held KF3BU.
No current licensee on record previously held this callsign.