Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4OIF callsign genealogy
Currently held by CARLAN, CHRISTOPHER M
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 N4OIF's current licensee, walking backwards.
- CARLAN, CHRISTOPHER MNCgranted 2016-02-29cancelled 2016-03-25
Successor callsigns
Callsigns held now by people who previously held N4OIF.
No current licensee on record previously held this callsign.