Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WT7D callsign genealogy
Currently held by BLAIR, JAMES R
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 WT7D's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WT7D.
- BLAIR, JAMES RTXgranted 2026-02-19
All historical holders
Every license row we've seen with the callsign WT7D, oldest first.
- BLAIR, JAMES R TX2004-02-26 → cancelled 2006-01-19
- Wilson, Danny L AZ2017-11-18 active