Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0YSN callsign genealogy
Currently held by DARRAH, LEWIS M
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 K0YSN's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K0YSN.
No current licensee on record previously held this callsign.