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

KJ5BT callsign genealogy

Currently held by LONG, FORREST M

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 KJ5BT's current licensee, walking backwards.

  1. KR6Kcancelled· E
    Thomson, William JOKgranted 2017-04-14cancelled 2026-03-03
  2. KO5WTcancelled· E
    Thomson, William JMTgranted 2003-09-30cancelled 2007-05-25
  3. KO6GGcancelled· A
    THOMSON, WILLIAM JNMgranted 1994-08-22cancelled 2003-09-30
  4. WA6IKC
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held KJ5BT.

  1. AF5BTactive· E
    Thomson, William JOKgranted 2026-08-29
  2. AF5YUactive· E
    LONG, FORREST MARgranted 2024-04-23

All historical holders

Every license row we've seen with the callsign KJ5BT, oldest first.

  • LONG, FORREST M AR
    2012-04-10 → cancelled 2015-05-28
  • Thomson, William J OK
    2026-03-03 → cancelled 2026-08-29
← Back to KJ5BT License history →