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

W4JCO callsign genealogy

Currently held by Coggins, Joshua D

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 W4JCO's current licensee, walking backwards.

  1. W3KSOcancelled· T
    Coggins, Joshua DALgranted 2018-04-06cancelled 2018-04-24
  2. W2OFFcancelled· T
    Coggins, Joshua DALgranted 2015-06-27cancelled 2018-04-06
  3. KM4KZYcancelled· T
    Coggins, Joshua DALgranted 2015-06-05cancelled 2015-06-27

Successor callsigns

Callsigns held now by people who previously held W4JCO.

  1. N4KBIactive· T
    Coggins, Joshua DALgranted 2018-05-22
← Back to W4JCO License history →