Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0WTN callsign genealogy
Currently held by Klos, Jeffery R
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 K0WTN's current licensee, walking backwards.
- Klos, Jeffery RSDgranted 2012-12-28cancelled 2013-01-23
Successor callsigns
Callsigns held now by people who previously held K0WTN.
No current licensee on record previously held this callsign.