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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

W0IBM callsign genealogy

Currently held by IBM RADIO CLUB-ROCHESTER

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 W0IBM's current licensee, walking backwards.

  1. WD0GNK
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held W0IBM.

No current licensee on record previously held this callsign.

← Back to W0IBM License history →