Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0OOZ callsign genealogy
Currently held by LEIH, SHIRLEY A
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 W0OOZ's current licensee, walking backwards.
- Roscher, JasonORgranted 2020-03-12cancelled 2022-04-16
Successor callsigns
Callsigns held now by people who previously held W0OOZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0OOZ, oldest first.
- LEIH, SHIRLEY A SD2009-01-28 → cancelled 2021-04-27
- Roscher, Jason WA2022-04-16 active