Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4EMF callsign genealogy
Currently held by Ritchie, Arbee 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 KN4EMF's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KN4EMF.
- Ritchie, Arbee SKYgranted 2019-06-25