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

WJ0I callsign genealogy

Currently held by Farkas, Michael L

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 WJ0I's current licensee, walking backwards.

  1. K0TAXactive· T
    LI, NANNYgranted 2024-08-10
  2. KE2DUKcancelled· T
    LI, NANNYgranted 2024-07-23cancelled 2024-08-10

Successor callsigns

Callsigns held now by people who previously held WJ0I.

  1. WJ0Uactive· E
    GROSS, CHAD JMNgranted 2020-04-21

All historical holders

Every license row we've seen with the callsign WJ0I, oldest first.

  • DOWDY, STEPHEN W MO
    2012-01-04 → cancelled 2018-01-26
  • GROSS, CHAD J MN
    2020-03-31 → cancelled 2020-04-21
  • Farkas, Michael L KS
    2022-05-14 active