Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5ESD callsign genealogy
Currently held by Jeffers, Charles 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 K5ESD's current licensee, walking backwards.
- Jeffers, Charles BOKgranted 2019-05-14cancelled 2021-11-27
Successor callsigns
Callsigns held now by people who previously held K5ESD.
No current licensee on record previously held this callsign.