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

W9LD callsign genealogy

Currently held by CORNELL, DAVID A

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 W9LD's current licensee, walking backwards.

  1. K9BOactive· E
    OHRENBERGER, WILLIAM AFLgranted 2018-10-17
  2. W9OFVcancelled· E
    OHRENBERGER, WILLIAM Acancelled 1999-01-13

Successor callsigns

Callsigns held now by people who previously held W9LD.

No current licensee on record previously held this callsign.

← Back to W9LD License history →