Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC4OZC callsign genealogy
Currently held by SOLER, OLGA
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 KC4OZC's current licensee, walking backwards.
- HEANEY, CHRISTOPHER PCAgranted 2021-03-01cancelled 2023-09-06
Successor callsigns
Callsigns held now by people who previously held KC4OZC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4OZC, oldest first.
- SOLER, OLGA FL2000-02-29 → cancelled 2012-03-07
- HEANEY, CHRISTOPHER P TN2023-09-06 active