Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7MRK callsign genealogy
Currently held by MATTHIES, MARK M
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 W7MRK's current licensee, walking backwards.
- MATTHIES, MARK MWAgranted 1996-08-19cancelled 2002-08-16
Successor callsigns
Callsigns held now by people who previously held W7MRK.
No current licensee on record previously held this callsign.