Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4MIX callsign genealogy
Currently held by SANFORD, WENDELL J
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 K4MIX's current licensee, walking backwards.
- Williamson, Matthew TFLgranted 2026-05-20cancelled 2026-07-31
Successor callsigns
Callsigns held now by people who previously held K4MIX.
- SANFORD, WENDELL JALgranted 2000-02-29cancelled 2002-05-18
All historical holders
Every license row we've seen with the callsign K4MIX, oldest first.
- SANFORD, WENDELL J AL1998-12-01 → cancelled 2000-02-29
- Cantrell, Ricky D VA2014-01-07 → cancelled 2026-03-07
- Williamson, Matthew T FL2026-07-31 active