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

K4JTO callsign genealogy

Currently held by RICHARD, BOBBY L

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 K4JTO's current licensee, walking backwards.

  1. AJ4YWactive· E
    WHALEY JR, JOHN WVAgranted 2018-11-03
  2. WD4IUCcancelled· E
    WHALEY JR, JOHN WVAgranted 2018-04-25cancelled 2018-11-03

Successor callsigns

Callsigns held now by people who previously held K4JTO.

  1. KJ4TMexpired· A
    RICHARD, BOBBY LGAgranted 2010-07-24cancelled 2022-04-15

All historical holders

Every license row we've seen with the callsign K4JTO, oldest first.

  • RICHARD, BOBBY L FL
    1992-05-05 → cancelled 2000-04-14
  • TURMEL, R. JAMES SC
    2020-03-24 active