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

KW4JC callsign genealogy

Currently held by Crable, Joseph 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 KW4JC's current licensee, walking backwards.

  1. KH7DAHcancelled· E
    Crable, Joseph MHIgranted 2004-04-10cancelled 2013-11-09
  2. NH7TScancelled· G
    Crable, Joseph MHIgranted 2004-03-22cancelled 2004-04-10

Successor callsigns

Callsigns held now by people who previously held KW4JC.

  1. KH7AXactive· E
    Crable, Joseph MKYgranted 2024-04-11
  2. AK4MWactive· E
    PIENIADZ, JOHN DSCgranted 2017-09-21

All historical holders

Every license row we've seen with the callsign KW4JC, oldest first.

  • PIENIADZ, JOHN D SC
    2003-12-23 → cancelled 2007-12-11
  • Crable, Joseph M HI
    2013-11-09 → cancelled 2014-05-20
← Back to KW4JC License history →