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

N1HRT callsign genealogy

Currently held by RONAN, JOHN J

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 N1HRT's current licensee, walking backwards.

  1. WM1SARcancelled· T
    Youens, Jonathan DMAgranted 2011-01-19cancelled 2014-12-02
  2. KB1FWJcancelled· G
    Youens, Jonathan DMAgranted 2020-03-27cancelled 2020-07-24

Successor callsigns

Callsigns held now by people who previously held N1HRT.

  1. KB1FWJcancelled· G
    Youens, Jonathan DMAgranted 2020-03-27cancelled 2020-07-24

All historical holders

Every license row we've seen with the callsign N1HRT, oldest first.

  • RONAN, JOHN J MA
    1990-06-05 → cancelled 2002-06-06
  • Youens, Jonathan D MA
    2014-12-02 → cancelled 2020-03-27
← Back to N1HRT License history →