Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4ERV callsign genealogy
Currently held by THOMPSON SR, RICHARD D
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 K4ERV's current licensee, walking backwards.
- EITINGON, PETER SVAgranted 2013-03-29cancelled 2014-04-11
Successor callsigns
Callsigns held now by people who previously held K4ERV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4ERV, oldest first.
- THOMPSON SR, RICHARD D KY1987-09-01 → cancelled 1999-09-02
- EITINGON, PETER S NV2024-01-17 active