Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL1FX callsign genealogy
Currently held by RICHARDS, LESLIE R
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 KL1FX's current licensee, walking backwards.
- Stefan, Diane LAKgranted 2022-11-02cancelled 2023-05-05
Successor callsigns
Callsigns held now by people who previously held KL1FX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KL1FX, oldest first.
- RICHARDS, LESLIE R AK2001-12-14 → cancelled 2013-12-17
- Stefan, Diane L AK2023-05-05 active