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

KD8YBJ callsign genealogy

Currently held by Wisdom, Joseph E

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 KD8YBJ's current licensee, walking backwards.

  1. KA8IJWcancelled· T
    Wisdom, Joseph EMIgranted 2018-12-01cancelled 2021-07-16
  2. K8EJWcancelled· T
    Wisdom, Joseph EMIgranted 2018-10-12cancelled 2018-12-01
  3. W8JWZcancelled· T
    Wisdom, Joseph EMIgranted 2018-03-13cancelled 2018-10-12

Successor callsigns

Callsigns held now by people who previously held KD8YBJ.

  1. W8JWZcancelled· T
    Wisdom, Joseph EMIgranted 2018-03-13cancelled 2018-10-12

All historical holders

Every license row we've seen with the callsign KD8YBJ, oldest first.

  • Wisdom, Joseph E MI
    2014-04-01 → cancelled 2018-03-13
  • Wisdom, Joseph E MI
    2021-07-16 active
← Back to KD8YBJ License history →