Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6TOC callsign genealogy
Currently held by Machado, Martin A
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 W6TOC's current licensee, walking backwards.
- Machado, Martin ACAgranted 2009-05-05cancelled 2009-07-24
Successor callsigns
Callsigns held now by people who previously held W6TOC.
No current licensee on record previously held this callsign.