Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4SEI callsign genealogy
Currently held by Ruff, Donna 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 KA4SEI's current licensee, walking backwards.
- RUFF, DONNA GSCgranted 2017-02-15cancelled 2017-04-18
Successor callsigns
Callsigns held now by people who previously held KA4SEI.
No current licensee on record previously held this callsign.