Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9III callsign genealogy
Currently held by FAUL SR, CHARLES 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 K9III's current licensee, walking backwards.
- Mayorov, AlexWAgranted 2023-04-18cancelled 2023-10-24
Successor callsigns
Callsigns held now by people who previously held K9III.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9III, oldest first.
- FAUL SR, CHARLES A IL1996-09-13 → cancelled 2008-09-16
- Kaplan, Jon FL2011-10-04 → cancelled 2023-10-05
- Mayorov, Alex WA2023-10-24 active