Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WU6F callsign genealogy
Currently held by SMITH, TIMOTHY R
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 WU6F's current licensee, walking backwards.
- Schaeffer, Christiaan JCAgranted 2011-06-09cancelled 2011-07-16
Successor callsigns
Callsigns held now by people who previously held WU6F.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WU6F, oldest first.
- SMITH, TIMOTHY R CA1996-03-20 → cancelled 2002-08-12
- Schaeffer, Chris J UT2021-05-19 active