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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

AI4EI callsign genealogy

Currently held by Pletcher, Christopher A

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 AI4EI's current licensee, walking backwards.

  1. KM4TMXcancelled· E
    McCutchan, Mark TALgranted 2016-04-25cancelled 2021-08-23

Successor callsigns

Callsigns held now by people who previously held AI4EI.

  1. KN4Oactive· E
    Pletcher, Christopher ATXgranted 2024-03-19
  2. NE7TTcancelled· E
    Eccles III, John AAZgranted 2015-06-19cancelled 2018-02-23

All historical holders

Every license row we've seen with the callsign AI4EI, oldest first.

  • Pletcher, Christopher A FL
    2003-09-08 → cancelled 2004-04-30
  • Eccles III, John A AZ
    2014-06-27 → cancelled 2015-06-19
  • McCutchan, Mark T AL
    2021-08-23 active
← Back to AI4EI License history →