Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4IYN callsign genealogy
Currently held by Ethridge, John G
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 KJ4IYN's current licensee, walking backwards.
- Ethridge, John GTNgranted 1999-12-22cancelled 2009-01-16
Successor callsigns
Callsigns held now by people who previously held KJ4IYN.
- Ethridge, John GTNgranted 2023-05-31