Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6YJU callsign genealogy
Currently held by SCHWEIZER, EARL G
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 W6YJU's current licensee, walking backwards.
- Schilling III, Thomas WAZgranted 2004-10-27cancelled 2009-02-03
Successor callsigns
Callsigns held now by people who previously held W6YJU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6YJU, oldest first.
- SCHWEIZER, EARL G CA2004-02-26 → cancelled 2008-06-12
- Schilling III, Thomas W AZ2018-12-19 active