Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR1K callsign genealogy
Currently held by CLEPPER, RICK
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 KR1K's current licensee, walking backwards.
- Hirsch, Ronald JMEgranted 2019-09-13cancelled 2023-01-14
Successor callsigns
Callsigns held now by people who previously held KR1K.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KR1K, oldest first.
- LIDTKE, PAUL A CT1998-10-20 → cancelled 2010-10-21
- CLEPPER, RICK TX2010-12-24 → cancelled 2022-12-28
- Hirsch, Ronald J ME2023-01-14 active