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

K1IBM callsign genealogy

Currently held by IBM 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 K1IBM's current licensee, walking backwards.

  1. WA1WLM
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held K1IBM.

No current licensee on record previously held this callsign.

← Back to K1IBM License history →