Confidence: Medium · Source: FCC ULS · As of 2026-09-11
WD3USB callsign genealogy
Currently held by Cheplen, Conor W
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 WD3USB's current licensee, walking backwards.
- Cheplen, ConorALgranted 2022-02-07cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held WD3USB.
No current licensee on record previously held this callsign.