Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9HOC callsign genealogy
Currently held by OConnor, Harry
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 K9HOC's current licensee, walking backwards.
- OConnor, HarryGAgranted 2025-12-06cancelled 2025-12-30
Successor callsigns
Callsigns held now by people who previously held K9HOC.
No current licensee on record previously held this callsign.