Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0OYY callsign genealogy
Currently held by SEITHER, DAVID A
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 KC0OYY's current licensee, walking backwards.
- SEITHER, DAVID AMNgranted 2003-01-29cancelled 2003-02-03
Successor callsigns
Callsigns held now by people who previously held KC0OYY.
No current licensee on record previously held this callsign.