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

AB5JK callsign genealogy

Currently held by KARNO, RICHARD 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 AB5JK's current licensee, walking backwards.

  1. W5KJRcancelled· E
    Klaevemann, Jimi RTXgranted 2005-07-29cancelled 2010-09-14
  2. KD5IUHcancelled· T
    Klaevemann, Jimi RTXgranted 1999-12-10cancelled 2005-07-29

Successor callsigns

Callsigns held now by people who previously held AB5JK.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AB5JK, oldest first.

  • KARNO, RICHARD A LA
    1992-12-22 → cancelled 2004-12-23
  • Klaevemann, Jimi R TX
    2020-10-20 active
← Back to AB5JK License history →