Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KE3S callsign genealogy
Currently held by Cawthorne, John
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 KE3S's current licensee, walking backwards.
- Cawthorne, JohnPAgranted 2000-03-22cancelled 2001-02-27
Successor callsigns
Callsigns held now by people who previously held KE3S.
- SZABO, ROBERT JMDgranted 2021-03-24