Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WN0K callsign genealogy
Currently held by SKIDMORE, DAVID C
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 WN0K's current licensee, walking backwards.
- Rasmussen, James SCAgranted 2025-01-17cancelled 2026-02-27
Successor callsigns
Callsigns held now by people who previously held WN0K.
All historical holders
Every license row we've seen with the callsign WN0K, oldest first.
- BRANSTETTER, JAMES W MO1998-06-23 → cancelled 2010-06-24
- SKIDMORE, DAVID C TX2011-08-05 → cancelled 2020-08-28
- Rasmussen, James S MN2022-12-31 → cancelled 2025-01-17
- Rasmussen, James S CA2026-02-27 active