Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0SXY callsign genealogy
Currently held by Kessler, Brian W
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 K0SXY's current licensee, walking backwards.
- Kessler, Brian WIAgranted 2004-11-12cancelled 2009-09-01
Successor callsigns
Callsigns held now by people who previously held K0SXY.
- Kessler, Brian WIAgranted 2019-09-06