Confidence: Medium · Source: FCC ULS · As of 2026-09-15
W7AYU callsign genealogy
Currently held by Thomson, Marc W
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 W7AYU's current licensee, walking backwards.
- Thomson, Marc WAZgranted 2003-06-20cancelled 2007-05-22
Successor callsigns
Callsigns held now by people who previously held W7AYU.
No current licensee on record previously held this callsign.