Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4DSN callsign genealogy
Currently held by WNCHAM Activators
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 KO4DSN's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KO4DSN.
- NC4NPactiveWNCHAM ActivatorsGAgranted 2020-06-20