Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9STT callsign genealogy
Currently held by Mayo, Steve 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 W9STT's current licensee, walking backwards.
- Mayo, Steve WWIgranted 2016-02-09cancelled 2018-04-27
Successor callsigns
Callsigns held now by people who previously held W9STT.
No current licensee on record previously held this callsign.