Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA3UDW callsign genealogy
Currently held by Gemeny, Andrew G
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 KA3UDW's current licensee, walking backwards.
- Gemeny, Andrew GMDgranted 2019-11-12cancelled 2019-12-03
Successor callsigns
Callsigns held now by people who previously held KA3UDW.
- Gemeny, Steven EMDgranted 2019-09-28