uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

N4MFO callsign genealogy

Currently held by HARRIS SR, IVEY 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 N4MFO's current licensee, walking backwards.

  1. KB4NIY
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N4MFO.

No current licensee on record previously held this callsign.

← Back to N4MFO License history →