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

K9SOX callsign genealogy

Currently held by CRAWLEY, JOHN C

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 K9SOX's current licensee, walking backwards.

  1. KG9TCcancelled· A
    CRAWLEY, JOHN CINgranted 1997-10-15cancelled 1999-12-31
  2. KI4LUcancelled
    cancelled 1997-10-15

Successor callsigns

Callsigns held now by people who previously held K9SOX.

No current licensee on record previously held this callsign.

← Back to K9SOX License history →