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

AC8JC callsign genealogy

Currently held by CROWE, JOHN M

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 AC8JC's current licensee, walking backwards.

  1. N4LBXcancelled· E
    CROWE, JOHN MNCgranted 2012-11-20cancelled 2016-04-22
  2. KG4ULFcancelled· T
    Crowe, John MTNgranted 2012-07-18cancelled 2012-11-20

Successor callsigns

Callsigns held now by people who previously held AC8JC.

  1. K8GYactive· E
    Denslow 437, Mark AMIgranted 2021-04-14
  2. NC4JAcancelled· E
    CROWE, JOHN MNCgranted 2016-09-16cancelled 2017-04-28

All historical holders

Every license row we've seen with the callsign AC8JC, oldest first.

  • Denslow, Mark A MI
    2011-04-13 → cancelled 2011-06-24
  • CROWE, JOHN M NC
    2016-04-22 → cancelled 2016-09-16