Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO2WW callsign genealogy
Currently held by Janssen, Christian
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 KO2WW's current licensee, walking backwards.
- Janssen, ChristianMIgranted 2004-03-19cancelled 2004-04-09
Successor callsigns
Callsigns held now by people who previously held KO2WW.
No current licensee on record previously held this callsign.