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

KD9UQN callsign genealogy

Currently held by SCHARBARTH, ANDREW 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 KD9UQN's current licensee, walking backwards.

  1. KT4RFUcancelled· G
    SCHARBARTH, ANDREW KWIgranted 2018-09-11cancelled 2022-03-24
  2. KD9LQFcancelled· G
    SCHARBARTH, ANDREW KWIgranted 2018-08-24cancelled 2018-09-11

Successor callsigns

Callsigns held now by people who previously held KD9UQN.

  1. KT9Qactive· E
    SCHARBARTH, ANDREW KWIgranted 2022-05-20
← Back to KD9UQN License history →