Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4AN callsign genealogy
Currently held by ARMOUR JR, DOLPHUS B
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 KO4AN's current licensee, walking backwards.
- Frederick, Douglas DFLgranted 2003-02-27cancelled 2003-03-06
Successor callsigns
Callsigns held now by people who previously held KO4AN.
No current licensee on record previously held this callsign.