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

AB9JM callsign genealogy

Currently held by Piva, William 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 AB9JM's current licensee, walking backwards.

  1. NN9Hactive· E
    Rediger, Nathan RFLgranted 2017-01-31
  2. KC9IWXcancelled· E
    Rediger, Nathan RILgranted 2006-03-01cancelled 2007-02-13

Successor callsigns

Callsigns held now by people who previously held AB9JM.

  1. AB9JNcancelled· E
    Piva, William JILgranted 2002-04-09cancelled 2004-06-26
← Back to AB9JM License history →