Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WJ7U callsign genealogy
Currently held by James, Michael S
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 WJ7U's current licensee, walking backwards.
- RIEHL, LARRY HWAgranted 2016-01-05cancelled 2025-05-16
Successor callsigns
Callsigns held now by people who previously held WJ7U.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WJ7U, oldest first.
- CARGO, MATTHEW C ID1988-02-09 → cancelled 2000-02-10
- Schreiner, Carol F OR2001-04-06 → cancelled 2013-04-08
- James, Michael S OR2013-04-27 → cancelled 2025-04-29
- RIEHL, LARRY H WA2025-05-16 active