Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KQ0HIO callsign genealogy
Currently held by Horsfall, Christopher J
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 KQ0HIO's current licensee, walking backwards.
- Horsfall, Christopher JOHgranted 2024-12-03cancelled 2024-12-21
Successor callsigns
Callsigns held now by people who previously held KQ0HIO.
No current licensee on record previously held this callsign.