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

AD5QM callsign genealogy

Currently held by Lamb II, John 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 AD5QM's current licensee, walking backwards.

  1. WL7CAactive· E
    Lamb II, John KARgranted 2026-07-28
  2. KU5Dcancelled· E
    Lamb II, John KARgranted 2026-01-17cancelled 2026-07-28
  3. AF5LKcancelled· E
    Lamb II, John KARgranted 2008-01-01cancelled 2016-04-09
  4. W5AHPcancelled· E
    Lamb II, John KARgranted 2008-01-01cancelled 2013-07-26
  5. AD5SZcancelled· E
    Lamb II, John KARgranted 2002-09-21cancelled 2008-01-01

Successor callsigns

Callsigns held now by people who previously held AD5QM.

  1. AD5SZcancelled· E
    Lamb II, John KARgranted 2002-09-21cancelled 2008-01-01
← Back to AD5QM License history →