Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA7DU callsign genealogy
Currently held by Mc Quiston, Stevan L
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 WA7DU's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WA7DU.
No current licensee on record previously held this callsign.