Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6DDC callsign genealogy
Currently held by Constance, Charles
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 W6DDC's current licensee, walking backwards.
- Constance, CharlesCOgranted 2014-01-31cancelled 2018-02-16
Successor callsigns
Callsigns held now by people who previously held W6DDC.
- COLLIER, RICHARD ECAgranted 2014-01-10cancelled 2014-04-11
All historical holders
Every license row we've seen with the callsign W6DDC, oldest first.
- COLLIER, RICHARD E CA2004-08-14 → cancelled 2014-01-10
- Constance, Charles SC2018-02-16 active