uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

AI5H callsign genealogy

Currently held by Heinze, Lloyd R

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 AI5H's current licensee, walking backwards.

  1. AF5COcancelled· E
    Heinze, Lloyd RTXgranted 2011-12-21cancelled 2012-06-08
  2. KF5NWXcancelled· E
    Heinze, Lloyd RTXgranted 2011-12-21cancelled 2012-03-16

Successor callsigns

Callsigns held now by people who previously held AI5H.

  1. K5IAactive· E
    CARBONE, MARK LINgranted 2020-04-15

All historical holders

Every license row we've seen with the callsign AI5H, oldest first.

  • SHEPARD, RICHARD S TX
    1998-12-04 → cancelled 2004-08-04
  • CARBONE, MARK L IN
    2008-12-23 → cancelled 2010-05-18
  • Heinze, Lloyd R TX
    2022-06-01 active
← Back to AI5H License history →