Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN0FMY callsign genealogy
Currently held by Hayden, Harold S
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 KN0FMY's current licensee, walking backwards.
- Hayden, Harold SUTgranted 2022-01-21cancelled 2022-03-18
Successor callsigns
Callsigns held now by people who previously held KN0FMY.
No current licensee on record previously held this callsign.