Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI6ZK callsign genealogy
Currently held by OSBORNE, HOLLIS M
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 KI6ZK's current licensee, walking backwards.
- Hall, Braydon DUTgranted 2008-12-19cancelled 2010-11-02
Successor callsigns
Callsigns held now by people who previously held KI6ZK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KI6ZK, oldest first.
- OSBORNE, HOLLIS M CA2006-09-21 → cancelled 2009-10-05
- HALL, BRAYDON D FL2020-09-29 active