Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO9N callsign genealogy
Currently held by CARR SR, ALBERT C
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 KO9N's current licensee, walking backwards.
- LEUCK, PAUL DWIgranted 2017-04-25cancelled 2019-05-21
Successor callsigns
Callsigns held now by people who previously held KO9N.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KO9N, oldest first.
- CARR SR, ALBERT C IN2007-05-23 → cancelled 2019-04-17
- LEUCK, PAUL D WI2019-05-21 active