uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W4WYI callsign genealogy

Currently held by WOLCOTT, MICHAEL L

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 W4WYI's current licensee, walking backwards.

  1. WB4OEX
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held W4WYI.

No current licensee on record previously held this callsign.

← Back to W4WYI License history →