Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7MTL callsign genealogy
Currently held by Duerst, Craig 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 W7MTL's current licensee, walking backwards.
- Duerst, Craig AORgranted 2006-03-16cancelled 2008-12-05
Successor callsigns
Callsigns held now by people who previously held W7MTL.
No current licensee on record previously held this callsign.