uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

AC5BG callsign genealogy

Currently held by GEISEL, ROBERT M

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 AC5BG's current licensee, walking backwards.

  1. AF5WUcancelled· E
    GEISEL, ROBERT MTXgranted 2008-07-01cancelled 2015-04-04
  2. KE5VLIcancelled· E
    GEISEL, ROBERT MTXgranted 2008-07-01cancelled 2015-03-12

Successor callsigns

Callsigns held now by people who previously held AC5BG.

  1. NU5Cexpired· E
    CARROLL, BILL DARgranted 2010-09-25cancelled 2022-12-06
  2. NU5Cterminated· E
    CARROLL, BILL DARgranted 2000-10-24cancelled 2000-11-06

All historical holders

Every license row we've seen with the callsign AC5BG, oldest first.

  • CARROLL, BILL D AR
    1997-01-21 → cancelled 2000-12-05
  • GEISEL, ROBERT M TX
    2025-02-08 active
← Back to AC5BG License history →