Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN0OBI callsign genealogy
Currently held by Humpherys, Alexandria
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 KN0OBI's current licensee, walking backwards.
- Humpherys, Alexandria AUTgranted 2021-05-24cancelled 2021-06-26
Successor callsigns
Callsigns held now by people who previously held KN0OBI.
No current licensee on record previously held this callsign.