Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4EIF callsign genealogy
Currently held by Allen Jr, Robert W
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 KJ4EIF'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 KJ4EIF.
- Allen Jr, Robert WTNgranted 2019-09-17