Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9MZD callsign genealogy
Currently held by Thompson, Blake W
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 W9MZD's current licensee, walking backwards.
- Thompson, Blake WWIgranted 2014-09-23cancelled 2014-10-28
Successor callsigns
Callsigns held now by people who previously held W9MZD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9MZD, oldest first.
- WILKIE, ROBERT H MA1995-09-26 → cancelled 2007-09-27
- Thompson, Blake W TX2024-11-05 active