Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA0US callsign genealogy
Currently held by MOORE, ROBERT 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 WA0US's current licensee, walking backwards.
- MOORE, ROBERT SKSgranted 2015-02-19cancelled 2015-03-24
Successor callsigns
Callsigns held now by people who previously held WA0US.
- Langeneckert, Fred GMOgranted 2023-02-07
All historical holders
Every license row we've seen with the callsign WA0US, oldest first.
- Langeneckert, Fred G MO1997-09-17 → cancelled 2003-01-28
- MOORE, ROBERT S KS2025-02-01 active