Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG9OT callsign genealogy
Currently held by WINKLER, MARTIN A
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 KG9OT's current licensee, walking backwards.
- WINKLER, MARTIN Acancelled 1998-11-04
Successor callsigns
Callsigns held now by people who previously held KG9OT.
- WINKLER, MARTIN AKSgranted 2020-04-29