Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9JDF callsign genealogy
Currently held by WESTERHOF, LAURI 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 KB9JDF's current licensee, walking backwards.
- Ford, Jeffri DINgranted 2021-11-23cancelled 2022-01-11
Successor callsigns
Callsigns held now by people who previously held KB9JDF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB9JDF, oldest first.
- WESTERHOF, LAURI J IN2004-12-07 → cancelled 2017-02-03
- Ford, Jeffri D IN2022-01-11 active