Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0SDW callsign genealogy
Currently held by Whicker, Stanley D
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 K0SDW's current licensee, walking backwards.
- Whicker, Stanley DCOgranted 2000-12-23cancelled 2001-01-23
Successor callsigns
Callsigns held now by people who previously held K0SDW.
- PERKINS, FLOYD RTXgranted 2013-11-20cancelled 2026-03-06