Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WT7X callsign genealogy
Currently held by Kahn, Timothy J
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 WT7X's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WT7X.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WT7X, oldest first.
- WATERS, TROY E AZ1990-04-03 → cancelled 2002-04-04
- Kahn, Timothy J WA2024-04-09 active