Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7KDD callsign genealogy
Currently held by Donges, 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 W7KDD's current licensee, walking backwards.
- Donges, Mark RWAgranted 2005-02-25cancelled 2005-03-25
Successor callsigns
Callsigns held now by people who previously held W7KDD.
No current licensee on record previously held this callsign.