Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK6SM callsign genealogy
Currently held by WINSTEAD, JAMES
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 KK6SM's current licensee, walking backwards.
- Medina, Sean CCAgranted 2011-05-27cancelled 2020-07-18
Successor callsigns
Callsigns held now by people who previously held KK6SM.
- WINSTEAD, JAMESCAgranted 2025-04-08
All historical holders
Every license row we've seen with the callsign KK6SM, oldest first.
- WINSTEAD, JAMES CA2000-10-11 → cancelled 2005-03-15
- Medina, Sean C CA2020-07-18 active