Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3MFD callsign genealogy
Currently held by Davidson, Matthew F
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 W3MFD's current licensee, walking backwards.
- DAVIDSON, MATTHEW FPAgranted 2012-04-20cancelled 2017-12-29
Successor callsigns
Callsigns held now by people who previously held W3MFD.
No current licensee on record previously held this callsign.