Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6KAY callsign genealogy
Currently held by Selberg, Kristofer J
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 W6KAY's current licensee, walking backwards.
- Selberg, Kristofer JCAgranted 2021-01-28cancelled 2025-07-25
Successor callsigns
Callsigns held now by people who previously held W6KAY.
- Mason, Michael RCAgranted 2018-04-27cancelled 2019-05-24
All historical holders
Every license row we've seen with the callsign W6KAY, oldest first.
- EREHWON AMATEUR RADIO CLUB CA1996-11-04 → cancelled 2000-11-03
- Mason, Michael R CA2008-11-01 → cancelled 2018-04-27
- Selberg, Kristofer J CA2025-07-25 active