Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO6ST callsign genealogy
Currently held by WHITAKER, DAVE D
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 KO6ST's current licensee, walking backwards.
- WHITAKER, DAVE DCAgranted 2013-10-21cancelled 2021-07-27
- KD6NLBno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KO6ST.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KO6ST, oldest first.
- WILCOX, HAROLD S CA2004-09-10 → cancelled 2016-09-24
- WHITAKER, DAVE D CA2021-07-27 active