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

NI0A callsign genealogy

Currently held by PERRONE, JOHN 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 NI0A's current licensee, walking backwards.

  1. W0HLPcancelled· E
    Hamann, Ricky JMOgranted 2015-12-15cancelled 2018-07-06
  2. KE0GULcancelled· T
    Hamann, Ricky JMOgranted 2015-11-25cancelled 2015-12-15

Successor callsigns

Callsigns held now by people who previously held NI0A.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign NI0A, oldest first.

  • PERRONE, JOHN M MN
    1994-05-10 → cancelled 2006-05-11
  • HUMBOLDT AMATEUR RADIO KLUB IA
    2006-06-17 → cancelled 2018-06-19
  • Hamann, Ricky J MO
    2018-07-06 active