Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WH2F callsign genealogy
Currently held by TANI, NAOKI
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 WH2F's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WH2F.
- Buettner, StephanGUgranted 2020-12-22
All historical holders
Every license row we've seen with the callsign WH2F, oldest first.
- TANI, NAOKI GU1994-07-16 → cancelled 2006-07-18
- Buettner, Stephan GU2011-05-17 → cancelled 2020-12-22