Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9KOD callsign genealogy
Currently held by CONLON, WILLIAM
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 K9KOD's current licensee, walking backwards.
- Smith, Chadwick SINgranted 2020-03-09cancelled 2022-05-06
Successor callsigns
Callsigns held now by people who previously held K9KOD.
- CONLON, WILLIAMILgranted 2003-07-02cancelled 2008-05-20
All historical holders
Every license row we've seen with the callsign K9KOD, oldest first.
- CONLON, WILLIAM IL2003-06-10 → cancelled 2003-07-02
- Smith, Chadwick S IN2022-05-06 active