Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7SDX callsign genealogy
Currently held by Ware, Richard M
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 W7SDX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W7SDX.
- Ware, Richard MORgranted 2013-01-25cancelled 2025-01-28
All historical holders
Every license row we've seen with the callsign W7SDX, oldest first.
- BRAWN, WILLIAM W OR1987-08-18 → cancelled 1999-08-20
- Ware, Richard M OR2012-12-18 → cancelled 2013-01-25