Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7DDC callsign genealogy
Currently held by Curtis, David 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 W7DDC's current licensee, walking backwards.
- Curtis, David DAZgranted 2013-04-26cancelled 2015-04-17
Successor callsigns
Callsigns held now by people who previously held W7DDC.
No current licensee on record previously held this callsign.