Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0OAK callsign genealogy
Currently held by Delmott, Sklyer E
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 K0OAK's current licensee, walking backwards.
- Delmott, Sklyer EKSgranted 2021-03-29cancelled 2021-04-23
Successor callsigns
Callsigns held now by people who previously held K0OAK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0OAK, oldest first.
- DORRELL, ROBERT D WA2004-08-28 → cancelled 2016-08-30
- Delmott, Sklyer E KS2021-04-23 active