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

N8IUM callsign genealogy

Currently held by SHOOK, JOHN 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 N8IUM's current licensee, walking backwards.

  1. KB8CSZ
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N8IUM.

No current licensee on record previously held this callsign.

← Back to N8IUM License history →