Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC6WTF callsign genealogy
Currently held by MILLER, JOSEPH F
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 KC6WTF's current licensee, walking backwards.
- Richard, EthanCAgranted 2009-05-27cancelled 2010-12-07
Successor callsigns
Callsigns held now by people who previously held KC6WTF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC6WTF, oldest first.
- MILLER, JOSEPH F CA1991-07-02 → cancelled 2003-07-03
- Richard, Ethan CA2020-10-14 active