Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3FOX callsign genealogy
Currently held by Nelson, Tristan H
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 KC3FOX's current licensee, walking backwards.
- Witt Jr, William RMDgranted 2018-05-14cancelled 2022-10-21
Successor callsigns
Callsigns held now by people who previously held KC3FOX.
- Nelson, Tristan HNYgranted 2026-01-14
All historical holders
Every license row we've seen with the callsign KC3FOX, oldest first.
- Nelson, Tristan H PA2015-10-01 → cancelled 2015-10-20
- Witt Jr, William R MD2022-10-21 active