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

AD9IN callsign genealogy

Currently held by Garzella, Tim J

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 AD9IN's current licensee, walking backwards.

  1. WZ9Fcancelled· E
    Garzella, Tim JINgranted 2025-04-08cancelled 2026-04-07
  2. AD9GKcancelled· E
    Garzella, Tim JINgranted 2025-01-24cancelled 2025-04-08
  3. KE9CJHcancelled· E
    Garzella, Tim JINgranted 2025-01-24cancelled 2025-03-19

Successor callsigns

Callsigns held now by people who previously held AD9IN.

  1. KK9Sactive· E
    Garzella, Tim JINgranted 2026-06-16
← Back to AD9IN License history →