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

W5JKC callsign genealogy

Currently held by COFFEE Mr., JACK K

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 W5JKC's current licensee, walking backwards.

  1. KF5SXMcancelled· T
    Cook, John KTXgranted 2012-11-30cancelled 2014-01-25

Successor callsigns

Callsigns held now by people who previously held W5JKC.

  1. WD5ELJexpired· E
    Coffee Mr., Jack KLAgranted 2011-12-31cancelled 2024-01-03

All historical holders

Every license row we've seen with the callsign W5JKC, oldest first.

  • COFFEE Mr., JACK K LA
    2002-07-06 → cancelled 2011-12-31
  • Cook III, John K TX
    2014-01-25 → cancelled 2026-03-07
← Back to W5JKC License history →