Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO9A callsign genealogy
Currently held by SPENCE, JAMES M
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 KO9A's current licensee, walking backwards.
- SPENCE, JAMES MPAgranted 1996-05-02cancelled 2001-09-15
Successor callsigns
Callsigns held now by people who previously held KO9A.
No current licensee on record previously held this callsign.