Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1TFF callsign genealogy
Currently held by Fox, Todd F
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 W1TFF's current licensee, walking backwards.
- Fox, Todd FPAgranted 2018-10-29cancelled 2018-11-17
Successor callsigns
Callsigns held now by people who previously held W1TFF.
- Fox, Todd FPAgranted 2019-02-20