Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR0RAT callsign genealogy
Currently held by CHAPMAN, CLIFFORD C
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 KR0RAT's current licensee, walking backwards.
- CHAPMAN, CLIFFORD CFLgranted 2013-07-19cancelled 2017-06-30
Successor callsigns
Callsigns held now by people who previously held KR0RAT.
No current licensee on record previously held this callsign.