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

N1IR callsign genealogy

Currently held by COHEN, NATHAN L

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 N1IR's current licensee, walking backwards.

  1. N1SZFcancelled· E
    Johnson, Christopher EMAgranted 2004-06-04cancelled 2008-08-23

Successor callsigns

Callsigns held now by people who previously held N1IR.

  1. W1YWactive· E
    COHEN, NATHAN LMAgranted 2026-05-16

All historical holders

Every license row we've seen with the callsign N1IR, oldest first.

  • COHEN, NATHAN L MA
    2003-07-01 → cancelled 2006-08-01
  • Mello, Christina MA
    2018-06-27 active
← Back to N1IR License history →