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

KJ5U callsign genealogy

Currently held by DAVIS, CLYDE E

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 KJ5U's current licensee, walking backwards.

  1. KM5SUcancelled· E
    LEWIS JR, STEPHEN JTXgranted 2009-03-24cancelled 2009-04-11
  2. KD5BPCcancelled· G
    LEWIS, STEPHEN Jcancelled 1998-09-24

Successor callsigns

Callsigns held now by people who previously held KJ5U.

  1. AD5Sactive· E
    KOONTZ, JOHN KTXgranted 2016-07-08

All historical holders

Every license row we've seen with the callsign KJ5U, oldest first.

  • DAVIS, CLYDE E OK
    1993-12-14 → cancelled 2005-12-15
  • KOONTZ, JOHN K NM
    2006-08-25 → cancelled 2006-09-26
  • LEWIS JR, STEPHEN J TX
    2019-05-04 active
← Back to KJ5U License history →