Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB6FF callsign genealogy
Currently held by FRANKLIN SR, LEON
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 KB6FF's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KB6FF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB6FF, oldest first.
- FRANKLIN SR, LEON CA1998-09-03 → cancelled 2010-09-04
- SIMMS, DANIEL M CA2025-11-27 active