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

KO3C callsign genealogy

Currently held by Coyle, Laura

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 KO3C's current licensee, walking backwards.

  1. N8LACcancelled· E
    Coyle, Laura AOHgranted 2014-03-25cancelled 2019-03-30
  2. KD8SAJcancelled· G
    Coyle, Laura AOHgranted 2012-03-26cancelled 2014-03-25

Successor callsigns

Callsigns held now by people who previously held KO3C.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KO3C, oldest first.

  • Cheadle, Geoffrey DC
    2007-03-06 → cancelled 2019-03-07
  • Coyle, Laura OH
    2019-03-30 active
← Back to KO3C License history →