Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0JWK callsign genealogy
Currently held by Kessler, Jerry 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 K0JWK's current licensee, walking backwards.
- Kessler, Jerry WSDgranted 2014-12-22cancelled 2015-01-10
Successor callsigns
Callsigns held now by people who previously held K0JWK.
- UGGEN, STUART JWAgranted 2022-08-17
All historical holders
Every license row we've seen with the callsign K0JWK, oldest first.
- UGGEN, STUART J WA2007-07-20 → cancelled 2012-09-25
- Kessler, Jerry W SD2024-11-14 active