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

N1USF callsign genealogy

Currently held by CABRAL, RONALD R

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 N1USF's current licensee, walking backwards.

  1. K5USFcancelled· E
    Tedeschi, James ACAgranted 2011-03-15cancelled 2020-12-15
  2. KF5CZGcancelled· E
    Tedeschi, James ANMgranted 2009-09-09cancelled 2011-03-15

Successor callsigns

Callsigns held now by people who previously held N1USF.

  1. K1RRCactive· T
    CABRAL, RONALD RMAgranted 2025-12-30

All historical holders

Every license row we've seen with the callsign N1USF, oldest first.

  • CABRAL, RONALD R MA
    2004-12-29 → cancelled 2006-01-10
  • Tedeschi, James A FL
    2020-12-15 active
← Back to N1USF License history →