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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

K9JG callsign genealogy

Currently held by GIBSON, JOHN M

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 K9JG's current licensee, walking backwards.

  1. W9TOactive· E
    O HARA SR, THOMAS ROHgranted 2019-08-27
  2. K8TROcancelled· E
    O HARA SR, THOMAS ROHgranted 2007-11-17cancelled 2009-11-07
  3. AD4VXcancelled· E
    O HARA SR, THOMAS ROHgranted 2004-10-19cancelled 2007-11-17
  4. WB9JVB
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held K9JG.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K9JG, oldest first.

  • GIBSON, JOHN M SC
    1996-01-29 → cancelled 1999-03-25
  • GELBORT, JAMES I FL
    2017-07-28 active