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

KI0I callsign genealogy

Currently held by MILLS, MARK S

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 KI0I's current licensee, walking backwards.

  1. NE0Sactive· E
    SCHECHTER, PHILIP ACOgranted 2021-12-10
  2. NT0Dactive· E
    Coulter, Colin RIAgranted 2023-12-29
  3. KF0JBPcancelled· E
    Coulter, Colin RIAgranted 2022-05-04cancelled 2023-12-29

Successor callsigns

Callsigns held now by people who previously held KI0I.

  1. N3UOcancelled· E
    LARIMORE, JEFFREY AAZgranted 2009-04-24cancelled 2009-05-16

All historical holders

Every license row we've seen with the callsign KI0I, oldest first.

  • LARIMORE, JEFFREY A AZ
    2002-09-10 → cancelled 2009-04-24
  • MILLS, MARK S MO
    2021-04-26 active
← Back to KI0I License history →