Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6CDH callsign genealogy
Currently held by HERNDON 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 W6CDH's current licensee, walking backwards.
- KJ4YNFcancelledHerndon DX AssociationVAgranted 2010-09-23cancelled 2010-11-02
Successor callsigns
Callsigns held now by people who previously held W6CDH.
- KA3FMXactiveHERNDON DX ASSOCIATIONVAgranted 2020-08-04
All historical holders
Every license row we've seen with the callsign W6CDH, oldest first.
- HERNDON DX ASSOCIATION VA2008-06-21 → cancelled 2010-09-03
- Herndon DX Association VA2020-08-05 active