Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9EFC callsign genealogy
Currently held by Byassee, James H
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 KD9EFC's current licensee, walking backwards.
- Byassee, James HILgranted 2011-07-12cancelled 2015-07-10
Successor callsigns
Callsigns held now by people who previously held KD9EFC.
No current licensee on record previously held this callsign.