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

KI0OS callsign genealogy

Currently held by DAHM, CLIFFORD N

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 KI0OS's current licensee, walking backwards.

  1. KB9GMactive· E
    LaBonte, Thomas CMOgranted 2020-02-19
  2. KD9FZFcancelled· E
    LaBonte, Thomas CILgranted 2016-04-20cancelled 2020-02-19

Successor callsigns

Callsigns held now by people who previously held KI0OS.

  1. W9AREactive· E
    DAHM, CLIFFORD NMNgranted 2021-06-15
← Back to KI0OS License history →