Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4TFY callsign genealogy
Currently held by COX, TEDDY P
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 W4TFY's current licensee, walking backwards.
- Hansen, Tiffany ACOgranted 2016-08-31cancelled 2022-07-01
Successor callsigns
Callsigns held now by people who previously held W4TFY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4TFY, oldest first.
- COX, TEDDY P TN2005-11-02 → cancelled 2018-02-01
- Hansen, Tiffany A CO2022-07-01 active