Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC6WVK callsign genealogy
Currently held by Topacio, Michael B
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 KC6WVK's current licensee, walking backwards.
- Topacio, Michael BCAgranted 2014-09-18cancelled 2014-10-18
Successor callsigns
Callsigns held now by people who previously held KC6WVK.
- Topacio, Michael BCAgranted 2024-11-30
All historical holders
Every license row we've seen with the callsign KC6WVK, oldest first.
- TOPACIO, MICHAEL B CA1991-07-02 → cancelled 2003-07-03
- Topacio, Michael B CA2014-10-18 → cancelled 2014-12-12