Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4EFO callsign genealogy
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 N4EFO'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 N4EFO.
- RAFTOVICH JR, FRANK JPAgranted 2010-06-04cancelled 2022-08-02