Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7DXT callsign genealogy
Currently held by Metzler, Mark R
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 W7DXT's current licensee, walking backwards.
- Metzler, Mark RWAgranted 2017-02-24cancelled 2019-11-30
Successor callsigns
Callsigns held now by people who previously held W7DXT.
No current licensee on record previously held this callsign.