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

AD4N callsign genealogy

Currently held by GREENE, SHERRELL R

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 AD4N's current licensee, walking backwards.

  1. K4DSCactive· T
    Bethea, Michael DSCgranted 2021-09-18
  2. KO4PMIcancelled· T
    Bethea, Michael DSCgranted 2021-04-16cancelled 2021-09-18

Successor callsigns

Callsigns held now by people who previously held AD4N.

  1. W4KDDactive· E
    COOK, CHRISTOPHER DSCgranted 2016-07-16

All historical holders

Every license row we've seen with the callsign AD4N, oldest first.

  • ERICKSON, JOHN S FL
    1999-04-28 → cancelled 2001-07-03
  • COOK, CHRISTOPHER D GA
    2014-06-11 → cancelled 2016-07-16
  • GREENE, SHERRELL R TN
    2018-08-04 active
← Back to AD4N License history →