Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3ONE callsign genealogy
Currently held by FRENCH, ROBERT J
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 K3ONE's current licensee, walking backwards.
- Jeremy, Yachik NCOgranted 2012-01-26cancelled 2012-02-14
Successor callsigns
Callsigns held now by people who previously held K3ONE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3ONE, oldest first.
- FRENCH, ROBERT J PA1999-03-03 → cancelled 2011-03-04
- Yachik, Jeremy N CO2022-09-23 active