Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6SPL callsign genealogy
Currently held by DE WITT JR, CHARLES 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 K6SPL's current licensee, walking backwards.
- Palmer, Steven CCAgranted 2011-04-04cancelled 2011-09-03
Successor callsigns
Callsigns held now by people who previously held K6SPL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6SPL, oldest first.
- DE WITT JR, CHARLES F AZ1990-05-29 → cancelled 2002-05-30
- Palmer, Steven C NV2021-06-08 active