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

KJ9F callsign genealogy

Currently held by PIERSON, LUTHER R

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 KJ9F's current licensee, walking backwards.

  1. K9LCCcancelled· E
    PIERSON, LUTHER RINgranted 2012-03-09cancelled 2012-07-13
  2. KJ7FNcancelled· E
    PIERSON, LUTHER RORgranted 1995-01-20cancelled 2002-04-20

Successor callsigns

Callsigns held now by people who previously held KJ9F.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KJ9F, oldest first.

  • KAPTONAK, CONRAD C WI
    1996-06-28 → cancelled 2008-07-01
  • PIERSON, LUTHER R IN
    2022-08-19 active
← Back to KJ9F License history →