Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6CK callsign genealogy
Currently held by Encinitas Amateur Radio System
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 W6CK's current licensee, walking backwards.
- TASSIN, AARON CCAgranted 2014-05-08cancelled 2017-08-01
Successor callsigns
Callsigns held now by people who previously held W6CK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6CK, oldest first.
- HESS, WILLIAM C CA1994-01-18 → cancelled 2003-04-28
- Encinitas Amateur Radio System CA2005-07-12 → cancelled 2017-07-13
- TASSIN, AARON C CA2017-08-01 active