Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9TFI callsign genealogy
Currently held by Kuhn, Ronald R
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 W9TFI's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W9TFI.
No current licensee on record previously held this callsign.