Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5OLO callsign genealogy
Currently held by Brock, Gary L
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 K5OLO's current licensee, walking backwards.
- Brock, Gary LOKgranted 2001-05-11cancelled 2001-10-30
Successor callsigns
Callsigns held now by people who previously held K5OLO.
No current licensee on record previously held this callsign.