Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD8FKA callsign genealogy
Currently held by SCHWERTFAGER, WILLIAM E
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 KD8FKA's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD8FKA.
- SCHWERTFAGER, WILLIAM EOHgranted 2021-11-27