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

AA9XH callsign genealogy

Currently held by Drobac, Allan R

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 AA9XH's current licensee, walking backwards.

  1. KG9QBcancelled· A
    DROBAC, ALLAN RWIgranted 1999-07-28cancelled 1999-09-01
  2. KB9NRScancelled· G
    DROBAC, ALLAN Rcancelled 1999-07-28

Successor callsigns

Callsigns held now by people who previously held AA9XH.

  1. W9NTAactive· E
    Drobac, Allan RWIgranted 2017-12-04
← Back to AA9XH License history →