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

KI6O callsign genealogy

Currently held by Mann, Robert D

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 KI6O's current licensee, walking backwards.

  1. K9RDMcancelled· E
    Mann, Robert DCAgranted 2019-06-18cancelled 2022-02-12
  2. KN6CGEcancelled· T
    Mann, Robert DCAgranted 2019-05-29cancelled 2019-06-18

Successor callsigns

Callsigns held now by people who previously held KI6O.

  1. K6YOactive· E
    Kim, EdwardCAgranted 2020-01-24
  2. K7FFactive· E
    YUNGLING, DEANE JCAgranted 2016-04-13

All historical holders

Every license row we've seen with the callsign KI6O, oldest first.

  • SEABURY, TOM W CA
    2010-08-07 → cancelled 2017-09-07
  • Kim, Edward CA
    2019-10-25 → cancelled 2020-01-24
  • Mann, Robert D CA
    2022-02-12 active
← Back to KI6O License history →