Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB0KAT callsign genealogy
Currently held by Merkling, Janice K
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 KB0KAT's current licensee, walking backwards.
- Merkling, Janice KCOgranted 2007-02-26cancelled 2008-06-06
Successor callsigns
Callsigns held now by people who previously held KB0KAT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB0KAT, oldest first.
- WEINHANDL, SUSAN L MN1992-03-24 → cancelled 2004-03-25
- Merkling, Janice K CO2018-03-13 active