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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KI0SI callsign genealogy

Currently held by Johnson, Homer K

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 KI0SI's current licensee, walking backwards.

  1. W6RSWexpired· E
    STOWE, ROBERT WCAgranted 2014-09-05cancelled 2026-09-09
  2. WA6SIScancelled· E
    STOWE, ROBERT WCAgranted 2012-03-06cancelled 2014-09-05
  3. KJ6TWUcancelled· T
    STOWE, ROBERT WCAgranted 2012-02-03cancelled 2012-03-06

Successor callsigns

Callsigns held now by people who previously held KI0SI.

No current licensee on record previously held this callsign.

← Back to KI0SI License history →