Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8TNF callsign genealogy
Currently held by SLONE SR, WALLACE B
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 K8TNF's current licensee, walking backwards.
- SLONE, JON WOHgranted 2002-02-08cancelled 2003-10-21
Successor callsigns
Callsigns held now by people who previously held K8TNF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8TNF, oldest first.
- SLONE SR, WALLACE B OH2003-01-07 → cancelled 2003-05-07
- SLONE, JON W OH2024-02-28 active