Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB0T callsign genealogy
Currently held by HULDEEN, JAY 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 WB0T's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WB0T.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB0T, oldest first.
- HULDEEN, GERALD A IA2007-06-15 → cancelled 2015-04-01
- HULDEEN, JAY R WY2017-03-21 active