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

AC5CJ callsign genealogy

Currently held by YARBROUGH, GROVER A

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 AC5CJ's current licensee, walking backwards.

  1. WB5GYexpired· E
    YARBROUGH, GROVER ATXgranted 2008-04-19cancelled 2020-04-21

Successor callsigns

Callsigns held now by people who previously held AC5CJ.

  1. W5HRLactive· E
    LOCKMILLER, HOWARD RTXgranted 2019-04-13
  2. WB5GYexpired· E
    YARBROUGH, GROVER ATXgranted 2008-04-19cancelled 2020-04-21

All historical holders

Every license row we've seen with the callsign AC5CJ, oldest first.

  • YARBROUGH, GROVER A TX
    2007-01-04 → cancelled 2008-04-19
  • LOCKMILLER, HOWARD R
    — → cancelled 1999-04-28
← Back to AC5CJ License history →