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

K0RBO callsign genealogy

Currently held by Adson, JAMES B

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 K0RBO's current licensee, walking backwards.

  1. KE0IPKcancelled· T
    Adson, JAMES BCOgranted 2011-03-24cancelled 2016-05-13
  2. KD0OBIcancelled· T
    ADSON, JAMES BCOgranted 2011-03-24cancelled 2016-04-15
  3. KD0OAHcancelled· T
    ADSON, JAMES BCOgranted 2011-03-24cancelled 2011-03-29

Successor callsigns

Callsigns held now by people who previously held K0RBO.

No current licensee on record previously held this callsign.