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

WB7DX callsign genealogy

Currently held by BYBEE, JERRY O

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 WB7DX's current licensee, walking backwards.

  1. KR6EKcancelled· A
    MANDEVILLE, TODD MIDgranted 2011-11-01cancelled 2020-09-19
  2. KD6CDMcancelled· A
    MANDEVILLE, TODD MCAgranted 1999-05-18cancelled 2000-04-25

Successor callsigns

Callsigns held now by people who previously held WB7DX.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WB7DX, oldest first.

  • BYBEE, JERRY O OR
    2007-07-19 → cancelled 2019-10-16
  • MANDEVILLE, TODD M ID
    2020-09-19 active
← Back to WB7DX License history →