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

AB6NH callsign genealogy

Currently held by Harper, Nicholas A

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 AB6NH's current licensee, walking backwards.

  1. KB1PUBcancelled· E
    Harper, Nicholas ACAgranted 2017-11-28cancelled 2018-08-21

Successor callsigns

Callsigns held now by people who previously held AB6NH.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AB6NH, oldest first.

  • FREEZE, GREGORY M CA
    1992-08-04 → cancelled 2004-08-05
  • Harper, Nicholas A CA
    2018-08-21 active