Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4ESR callsign genealogy
Currently held by Farris, William B
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 KN4ESR'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 KN4ESR.
- Farris, William BALgranted 2018-06-01