Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1ESP callsign genealogy
Currently held by Esper, Gregory S
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 K1ESP's current licensee, walking backwards.
- Esper, Gregory SMIgranted 2023-10-03cancelled 2023-10-21
Successor callsigns
Callsigns held now by people who previously held K1ESP.
No current licensee on record previously held this callsign.