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

N8OSF callsign genealogy

Currently held by Henkener, Keary 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 N8OSF's current licensee, walking backwards.

  1. W8XAAcancelled· E
    Henkener, Keary AOHgranted 2016-10-04cancelled 2020-04-24
  2. AC8AUcancelled· E
    Henkener, Keary AOHgranted 2007-11-03cancelled 2016-10-04

Successor callsigns

Callsigns held now by people who previously held N8OSF.

  1. AC8AUcancelled· E
    Henkener, Keary AOHgranted 2007-11-03cancelled 2016-10-04
  2. W8NKPcancelled· G
    Henkener, Keary AOHgranted 1998-04-22cancelled 2007-11-03

All historical holders

Every license row we've seen with the callsign N8OSF, oldest first.

  • Henkener, Keary A OH
    2007-11-03 → cancelled 2008-03-11
  • Henkener, Keary A OH
    2020-04-24 active
  • HENKENER, KEARY A
    — → cancelled 1998-04-22
← Back to N8OSF License history →