Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB6UCK callsign genealogy
Currently held by Thieme, Alison N
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 WB6UCK's current licensee, walking backwards.
- Thieme, Alison NCOgranted 2025-11-21cancelled 2026-05-01
Successor callsigns
Callsigns held now by people who previously held WB6UCK.
- ROOT JR, DONALD EVAgranted 2018-02-21
All historical holders
Every license row we've seen with the callsign WB6UCK, oldest first.
- Thieme, Alison N CO2026-05-01 active
- ROOT JR, DONALD E— → cancelled 1998-05-20