Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA7ONE callsign genealogy
Currently held by Keene, John H
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 KA7ONE's current licensee, walking backwards.
- Keene, John HWAgranted 2007-08-14cancelled 2015-04-24
Successor callsigns
Callsigns held now by people who previously held KA7ONE.
No current licensee on record previously held this callsign.