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

NN2F callsign genealogy

Currently held by MARTILA, WALTER D

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 NN2F's current licensee, walking backwards.

  1. KJ7ONHcancelled· E
    Koichi, OfujiORgranted 2020-06-15cancelled 2020-08-15

Successor callsigns

Callsigns held now by people who previously held NN2F.

  1. N7VNcancelled· E
    Wilkinson, WilliamNYgranted 2018-07-17cancelled 2021-06-25

All historical holders

Every license row we've seen with the callsign NN2F, oldest first.

  • MARTILA, WALTER D NY
    1994-07-15 → cancelled 2006-07-18
  • WILKINSON, WILLIAM F NY
    2017-03-14 → cancelled 2018-07-17
  • Ofuji, Koichi GU
    2020-08-15 active