Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6QU callsign genealogy
Currently held by LEYRER, LEONARD L
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 W6QU's current licensee, walking backwards.
- KF6ZZBcancelledSan Diego Spark Gap SocietyCAgranted 2000-01-21cancelled 2000-02-29
Successor callsigns
Callsigns held now by people who previously held W6QU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6QU, oldest first.
- LEYRER, LEONARD L CA1988-02-02 → cancelled 2000-02-03
- San Diego Spark Gap Society CA2019-12-07 active