Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC6MED callsign genealogy
Currently held by Chang, Wayne W
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 KC6MED's current licensee, walking backwards.
- Chang, Wayne WCAgranted 2003-05-21cancelled 2003-06-17
Successor callsigns
Callsigns held now by people who previously held KC6MED.
- Chang, Wayne WCAgranted 2025-01-14
All historical holders
Every license row we've seen with the callsign KC6MED, oldest first.
- VALENCIA, JOSE A CA1990-06-26 → cancelled 2002-06-27
- Chang, Wayne W CA2013-06-18 → cancelled 2015-02-21