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

W4GBP callsign genealogy

Currently held by HALL, JAMES D

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 W4GBP's current licensee, walking backwards.

  1. KD8GUcancelled· A
    HALL, JAMES DFLgranted 2010-12-04cancelled 2016-07-29
  2. KA8CGA
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held W4GBP.

  1. K4JIMactive· A
    HALL, JAMES DFLgranted 2018-12-07

All historical holders

Every license row we've seen with the callsign W4GBP, oldest first.

  • KNIGHT, ROBERT R AL
    1994-08-16 → cancelled 2006-08-17
  • HALL, JAMES D FL
    2016-07-29 → cancelled 2018-12-07
← Back to W4GBP License history →