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

KB9T callsign genealogy

Currently held by COURTNEY, OPAL 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 KB9T's current licensee, walking backwards.

  1. WI9RHCcancelled· E
    Cairns, Robert HWIgranted 2020-03-24cancelled 2023-01-18
  2. KD9OZFcancelled· T
    CAIRNS, ROBERT HWIgranted 2020-03-02cancelled 2020-03-24

Successor callsigns

Callsigns held now by people who previously held KB9T.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KB9T, oldest first.

  • COURTNEY, OPAL L IN
    2005-03-01 → cancelled 2008-09-18
  • JONES, BRADY L IL
    2010-12-28 → cancelled 2022-12-29
  • Cairns, Robert H WI
    2023-01-18 active