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

W9JJN callsign genealogy

Currently held by Nichols III, 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 W9JJN's current licensee, walking backwards.

  1. WN4JJNcancelled· T
    Nichols, John JINgranted 2020-05-12cancelled 2021-07-03
  2. KN4TJRcancelled· T
    Nichols, John JFLgranted 2019-03-21cancelled 2020-05-12

Successor callsigns

Callsigns held now by people who previously held W9JJN.

  1. W2JJNactive· G
    Nichols III, John JNJgranted 2025-12-30
← Back to W9JJN License history →