Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KQ4X callsign genealogy
Currently held by BONE, WARREN L
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 KQ4X's current licensee, walking backwards.
- Marchese, Carmelo SFLgranted 2014-09-10cancelled 2021-06-22
Successor callsigns
Callsigns held now by people who previously held KQ4X.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KQ4X, oldest first.
- BONE, WARREN L TN2017-05-01 → cancelled 2019-06-03
- Marchese, Carmelo S FL2021-06-22 active