Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5OLI callsign genealogy
Currently held by GRAYSON COUNTY AMAT RAD CLUB
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 KC5OLI's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC5OLI.
- K5GCCactiveGRAYSON COUNTY AMATEUR RADIO CLUBTXgranted 2020-06-24