Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7TB callsign genealogy
Currently held by NORTHERN ARIZONA DX ASSOCIATION
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 W7TB's current licensee, walking backwards.
- KD7JBScancelledNORTHERN ARIZONA DX ASSOCIATIONAZgranted 2000-05-17cancelled 2000-09-08
Successor callsigns
Callsigns held now by people who previously held W7TB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7TB, oldest first.
- WILHELM, LEWIS L AZ1994-11-29 → cancelled 1998-08-29
- NORTHERN ARIZONA DX ASSOCIATION AZ2021-07-07 active