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

AD1EU callsign genealogy

Currently held by Thompson, Robert T

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 AD1EU's current licensee, walking backwards.

  1. WE4LSUcancelled· E
    Thompson, Robert TNCgranted 2021-04-17cancelled 2022-03-04
  2. KO4OBDcancelled· G
    Thompson, Robert TNCgranted 2021-03-12cancelled 2021-04-17

Successor callsigns

Callsigns held now by people who previously held AD1EU.

No current licensee on record previously held this callsign.

← Back to AD1EU License history →