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

KX4CS callsign genealogy

Currently held by POWELL, JASON 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 KX4CS's current licensee, walking backwards.

  1. KX4CLcancelled· E
    POWELL, JASON ANCgranted 2017-01-30cancelled 2017-04-21
  2. KX4BMcancelled· E
    POWELL, JASON ANCgranted 2017-01-30cancelled 2017-04-11
  3. KN4AMOcancelled· E
    POWELL, JASON ANCgranted 2017-01-30cancelled 2017-02-27

Successor callsigns

Callsigns held now by people who previously held KX4CS.

  1. W4KTTcancelled· E
    POWELL, JASON ANCgranted 2017-06-17cancelled 2018-03-02
← Back to KX4CS License history →