Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA3SEI callsign genealogy
Currently held by RUFF JR, WILLIAM 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 KA3SEI's current licensee, walking backwards.
- Ruff, Robert WNCgranted 2003-05-15cancelled 2003-07-25
Successor callsigns
Callsigns held now by people who previously held KA3SEI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA3SEI, oldest first.
- RUFF JR, WILLIAM A MD1998-03-31 → cancelled 2003-03-26
- RUFF, ROBERT W NC2023-05-20 active