Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7MDT callsign genealogy
Currently held by TILDEN, MARK D
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 W7MDT's current licensee, walking backwards.
- TILDEN, MARK DORgranted 2001-04-25cancelled 2001-06-26
Successor callsigns
Callsigns held now by people who previously held W7MDT.
No current licensee on record previously held this callsign.