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

N1OSO callsign genealogy

Currently held by ELLIOTT, KAREN 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 N1OSO's current licensee, walking backwards.

  1. K1JMPcancelled· G
    PROCTOR, JOHN MCTgranted 2016-04-19cancelled 2016-05-10
  2. KB1KJAcancelled· T
    PROCTOR, JOHN MCTgranted 2003-09-29cancelled 2006-07-11

Successor callsigns

Callsigns held now by people who previously held N1OSO.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N1OSO, oldest first.

  • ELLIOTT, KAREN A OH
    1993-05-25 → cancelled 2005-05-26
  • PROCTOR, JOHN M CT
    2016-05-10 active