Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6JU callsign genealogy
Currently held by ESTERO RADIO 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 W6JU's current licensee, walking backwards.
- KG6CUWcancelledESTERO RADIO CLUBCAgranted 2000-08-11cancelled 2000-09-23
Successor callsigns
Callsigns held now by people who previously held W6JU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6JU, oldest first.
- BREWER, MORTON S CA1996-01-16 → cancelled 2000-06-22
- ESTERO RADIO CLUB CA2020-06-30 active