Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WF1K callsign genealogy
Currently held by Huizinga, Russell 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 WF1K's current licensee, walking backwards.
- Huizinga, Russell HCTgranted 2014-06-11cancelled 2014-10-24
Successor callsigns
Callsigns held now by people who previously held WF1K.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WF1K, oldest first.
- SIEG, JOHN C NH2002-10-02 → cancelled 2014-10-03
- Huizinga, Russell H CT2024-12-10 active