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

AD9AM callsign genealogy

Currently held by GIERA, ADAM E

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 AD9AM's current licensee, walking backwards.

  1. AC9OYcancelled· E
    GIERA, ADAM EILgranted 2019-03-05cancelled 2019-08-13
  2. KB9UKXcancelled· E
    GIERA, ADAM EILgranted 2009-01-29cancelled 2016-07-18

Successor callsigns

Callsigns held now by people who previously held AD9AM.

No current licensee on record previously held this callsign.

← Back to AD9AM License history →