Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9ABX callsign genealogy
Currently held by DURBIN, CHRIS 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 KB9ABX's current licensee, walking backwards.
- Durbin, Christopher AFLgranted 2007-09-18cancelled 2007-10-10
Successor callsigns
Callsigns held now by people who previously held KB9ABX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB9ABX, oldest first.
- DURBIN, CHRIS A IN1988-07-12 → cancelled 2000-07-13
- DURBIN, CHRISTOPHER A FL2017-07-19 active