Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA0CET callsign genealogy
Currently held by MESENBRINK, ROBERT L
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 KA0CET's current licensee, walking backwards.
- Towers, RalphCOgranted 2018-10-01cancelled 2018-10-19
Successor callsigns
Callsigns held now by people who previously held KA0CET.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA0CET, oldest first.
- MESENBRINK, ROBERT L CO1998-02-25 → cancelled 2010-02-26
- Towers, Ralph CO2018-10-19 active