Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0RMD callsign genealogy
Currently held by Mason, Natalie
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 W0RMD's current licensee, walking backwards.
- Mason, NatalieAZgranted 2025-02-28cancelled 2025-03-18
Successor callsigns
Callsigns held now by people who previously held W0RMD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0RMD, oldest first.
- Derby, Ronald M IA2012-04-03 → cancelled 2024-04-04
- Mason, Natalie AZ2025-03-18 active