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

KL2HX callsign genealogy

Currently held by Thacker, John David E

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 KL2HX's current licensee, walking backwards.

  1. KF8FHPcancelled· T
    Thacker, John David EOHgranted 2025-12-10cancelled 2025-12-30

Successor callsigns

Callsigns held now by people who previously held KL2HX.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KL2HX, oldest first.

  • Thacker, John David E AK
    2007-10-17 → cancelled 2019-10-18
  • Thacker, John David E OH
    2025-12-30 active