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

KB4CR callsign genealogy

Currently held by WHITMAN, ERNEST V

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 KB4CR's current licensee, walking backwards.

  1. N1CJRcancelled· E
    Ricci, Christopher JFLgranted 2010-11-18cancelled 2014-06-28
  2. KB1ESTcancelled· E
    Ricci, Christopher JMEgranted 1999-12-22cancelled 2001-01-20

Successor callsigns

Callsigns held now by people who previously held KB4CR.

  1. AI5FUactive· E
    Ricci, Christopher JTXgranted 2024-04-18

All historical holders

Every license row we've seen with the callsign KB4CR, oldest first.

  • WHITMAN, ERNEST V FL
    1988-05-03 → cancelled 2000-05-04
  • Ricci, Christopher J TX
    2014-06-28 → cancelled 2022-01-15
← Back to KB4CR License history →