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

KX4PC callsign genealogy

Currently held by Buckowski, Jan

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 KX4PC's current licensee, walking backwards.

  1. N4ZLDcancelled· E
    Buckowski, JanNCgranted 2016-01-05cancelled 2018-12-28
  2. KF7PILcancelled· G
    Buckowski, JanNCgranted 2011-04-26cancelled 2016-01-05

Successor callsigns

Callsigns held now by people who previously held KX4PC.

  1. AA4SNactive· E
    Buckowski, JanNCgranted 2019-02-26
← Back to KX4PC License history →