Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1KK callsign genealogy
Currently held by WORLD WIDE DX CONTEST CLUB
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 K1KK's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K1KK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1KK, oldest first.
- WORLD WIDE DX CONTEST CLUB HI2007-10-24 → cancelled 2017-03-30
- SOURDIS, DAVID J NC2019-04-19 active