Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF6UO callsign genealogy
Currently held by Kupzog, Jan R
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 AF6UO's current licensee, walking backwards.
- Kupzog, Jan RCAgranted 2009-11-10cancelled 2010-02-03
Successor callsigns
Callsigns held now by people who previously held AF6UO.
No current licensee on record previously held this callsign.