Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR0L callsign genealogy
Currently held by ROBERT D LABO MEMORIAL AMATEUR RADIO SOCIETY
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 KR0L's current licensee, walking backwards.
- GOERZEN, JOHN PKSgranted 2010-07-09cancelled 2010-10-30
Successor callsigns
Callsigns held now by people who previously held KR0L.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KR0L, oldest first.
- ROBERT D LABO MEMORIAL AMATEUR RADIO SOCIETY CO1998-10-05 → cancelled 2010-10-06
- GOERZEN, JOHN P KS2020-08-04 active