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

N8IO callsign genealogy

Currently held by HAMILTON, CONSTANCE L

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 N8IO's current licensee, walking backwards.

  1. AB8MKcancelled· E
    Coverdill, Mark EOHgranted 2011-12-21cancelled 2019-11-22
  2. AB8MFcancelled· E
    Coverdill, Mark EOHgranted 2001-11-14cancelled 2002-01-29
  3. N8SDHcancelled· E
    Coverdill, Mark EOHgranted 2001-11-14cancelled 2002-01-22

Successor callsigns

Callsigns held now by people who previously held N8IO.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N8IO, oldest first.

  • HAMILTON, CONSTANCE L OH
    2010-03-16 → cancelled 2017-11-01
  • Coverdill, Mark E OH
    2019-11-22 active
← Back to N8IO License history →