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

KK6TBO callsign genealogy

Currently held by Paul, Gregory 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 KK6TBO's current licensee, walking backwards.

  1. KN6FGXcancelled· G
    Paul, Gregory ECAgranted 2015-04-02cancelled 2021-11-30

Successor callsigns

Callsigns held now by people who previously held KK6TBO.

  1. KN6FGXcancelled· G
    Paul, Gregory ECAgranted 2015-04-02cancelled 2021-11-30

All historical holders

Every license row we've seen with the callsign KK6TBO, oldest first.

  • Paul, Gregory E CA
    2015-04-02 → cancelled 2019-10-30
  • Paul, Gregory E CA
    2021-11-30 active