Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD6USN callsign genealogy
Currently held by Hauptman, Darren 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 WD6USN's current licensee, walking backwards.
- Hauptman, Darren SCAgranted 2023-06-01cancelled 2024-05-25
Successor callsigns
Callsigns held now by people who previously held WD6USN.
- Hauptman, Darren SCAgranted 2026-07-17