Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0ETA callsign genealogy
Currently held by Kujawa, Frederick E
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 K0ETA's current licensee, walking backwards.
- Katz, Sheila MMOgranted 2019-05-09cancelled 2019-06-01
Successor callsigns
Callsigns held now by people who previously held K0ETA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0ETA, oldest first.
- Kujawa, Frederick E NE2004-02-04 → cancelled 2016-02-05
- Katz, Sheila M MO2019-06-01 active