Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WU3S callsign genealogy
Currently held by KAISER, QUENTIN C
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 WU3S's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WU3S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WU3S, oldest first.
- KAISER, QUENTIN C MD2011-10-31 → cancelled 2024-01-23
- LIDINSKY JR, ANTON M MD2024-05-07 active