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

KX2D callsign genealogy

Currently held by GUTHRIE, JOHN J

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 KX2D's current licensee, walking backwards.

  1. KF0KTDcancelled· E
    Stroube, Gregory NMOgranted 2022-11-08cancelled 2023-01-14

Successor callsigns

Callsigns held now by people who previously held KX2D.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KX2D, oldest first.

  • GUTHRIE, JOHN J NJ
    2017-04-11 → cancelled 2020-12-19
  • Stroube, Gregory N MO
    2023-01-14 active