Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KQ4SBF callsign genealogy
Currently held by Coston Jr, Diano 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 KQ4SBF's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KQ4SBF.
- Coston Jr, Diano RFLgranted 2026-08-11