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

N1GGR callsign genealogy

Currently held by Monska, Stephen M

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 N1GGR's current licensee, walking backwards.

  1. KF0ESNcancelled· T
    Ley, NathanielCOgranted 2021-03-22cancelled 2021-09-28

Successor callsigns

Callsigns held now by people who previously held N1GGR.

  1. K1NTLactive· T
    Ley, NathanielCOgranted 2021-10-16
  2. NG1NRactive· E
    Monska, Stephen MMAgranted 2018-03-13

All historical holders

Every license row we've seen with the callsign N1GGR, oldest first.

  • Monska, Stephen M MA
    2011-10-08 → cancelled 2018-03-13
  • Ley, Nathaniel CO
    2021-09-28 → cancelled 2021-10-16