uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

AD9AD callsign genealogy

Currently held by Duco, Armand 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 AD9AD's current licensee, walking backwards.

  1. AC9BBcancelled· E
    Duco, Armand RWIgranted 2011-12-08cancelled 2012-02-24
  2. KC9VBFcancelled· E
    Duco, Armand RWIgranted 2011-12-08cancelled 2012-01-20

Successor callsigns

Callsigns held now by people who previously held AD9AD.

No current licensee on record previously held this callsign.

← Back to AD9AD License history →