Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA7DUX callsign genealogy
Currently held by Grant, Michael 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 WA7DUX's current licensee, walking backwards.
- Grant, Michael RWAgranted 2017-12-20cancelled 2018-01-09
Successor callsigns
Callsigns held now by people who previously held WA7DUX.
No current licensee on record previously held this callsign.