Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8CDX callsign genealogy
Currently held by Classic DX Association
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 W8CDX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W8CDX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8CDX, oldest first.
- THOMAS, CARL R OH1988-07-05 → cancelled 2000-07-06
- Classic DX Association PA2016-05-10 active