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

KB6FX callsign genealogy

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 KB6FX's current licensee, walking backwards.

  1. NA8RScancelled· A
    SHARP, RICHARD IMIgranted 2008-04-15cancelled 2016-06-18
  2. KA6JSDcancelled· A
    SHARP, RICHARD IMIgranted 2000-07-25cancelled 2008-04-15

Successor callsigns

Callsigns held now by people who previously held KB6FX.

  1. KI0NZexpired· A
    TOURTELOT, JOSEPH VCOgranted 2008-06-24cancelled 2020-08-21

All historical holders

Every license row we've seen with the callsign KB6FX, oldest first.

  • SHARP, RICHARD I CA
    2016-06-18 active
  • → cancelled 1998-08-20