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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W4FYI callsign genealogy

Currently held by FYI GROUP AMATEUR RADIO CLUB

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 W4FYI's current licensee, walking backwards.

  1. KF4APT
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held W4FYI.

No current licensee on record previously held this callsign.

← Back to W4FYI License history →