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

N9IB callsign genealogy

Currently held by Thola, Robert H

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 N9IB's current licensee, walking backwards.

  1. AG4QUcancelled· E
    Thola, Robert HKYgranted 1999-01-29cancelled 2002-05-14
  2. KG4BTEcancelled· E
    Thola, Robert HKYgranted 1999-01-29cancelled 2002-04-16

Successor callsigns

Callsigns held now by people who previously held N9IB.

No current licensee on record previously held this callsign.

← Back to N9IB License history →