Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA9O callsign genealogy
Currently held by GOLEMO, JANUSZ
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 KA9O's current licensee, walking backwards.
- Golemo, JanuszILgranted 2005-01-24cancelled 2007-04-20
Successor callsigns
Callsigns held now by people who previously held KA9O.
No current licensee on record previously held this callsign.