Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WI9WTF callsign genealogy
Currently held by Tiffany, Thomas W
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 WI9WTF's current licensee, walking backwards.
- Tiffany, Thomas WWIgranted 2010-10-08cancelled 2013-11-19
Successor callsigns
Callsigns held now by people who previously held WI9WTF.
No current licensee on record previously held this callsign.