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

AD0G callsign genealogy

Currently held by ROBISON, LARRY J

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 AD0G's current licensee, walking backwards.

  1. KC0LMVcancelled· E
    Friedeman, Rich FMNgranted 2001-10-15cancelled 2003-03-14

Successor callsigns

Callsigns held now by people who previously held AD0G.

  1. K8CEcancelled· E
    ERDING, CHARLES RMNgranted 2016-09-13cancelled 2020-08-12
  2. W9MDXcancelled· E
    ROBISON, LARRY JOHgranted 2000-11-21cancelled 2003-11-14

All historical holders

Every license row we've seen with the callsign AD0G, oldest first.

  • ROBISON, LARRY J OH
    2000-06-30 → cancelled 2000-11-21
  • Friedeman, Rich F CA
    2023-01-24 active
← Back to AD0G License history →