Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6ZTM callsign genealogy
Currently held by Marshall, Trevor G
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 W6ZTM's current licensee, walking backwards.
- Marshall, Trevor GCAgranted 2014-03-17cancelled 2014-04-04
Successor callsigns
Callsigns held now by people who previously held W6ZTM.
No current licensee on record previously held this callsign.