Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI0LR callsign genealogy
Currently held by HOLLAS, RONALD J
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 KI0LR's current licensee, walking backwards.
- KG5GRcancelledcancelled 1998-02-06
Successor callsigns
Callsigns held now by people who previously held KI0LR.
- Hollas, Ronald JINgranted 2008-04-22cancelled 2016-11-15