Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4ESP callsign genealogy
Currently held by ESP EMPLOYEES AMATEUR RADIO CLUB
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 K4ESP's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K4ESP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4ESP, oldest first.
- ESP EMPLOYEES AMATEUR RADIO CLUB GA2000-10-31 → cancelled 2005-02-22
- POOLE, EMILY S GA2019-02-06 active