Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5CDX callsign genealogy
Currently held by DYCE, WILLIAM C
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 W5CDX's current licensee, walking backwards.
- Dyce, William CTXgranted 2013-10-31cancelled 2020-11-14
Successor callsigns
Callsigns held now by people who previously held W5CDX.
- DYCE, WILLIAM CTXgranted 2022-04-15
All historical holders
Every license row we've seen with the callsign W5CDX, oldest first.
- JOHNSON, WADSWORTH M LA2008-04-12 → cancelled 2020-04-29
- DYCE, WILLIAM C TX2020-11-14 → cancelled 2022-04-15