Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4PXJ callsign genealogy
Currently held by HAM, CATHERINE 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 KN4PXJ's current licensee, walking backwards.
- HAM, CATHERINE JFLgranted 2012-10-10cancelled 2018-10-25
Successor callsigns
Callsigns held now by people who previously held KN4PXJ.
- HAM, CATHERINE JFLgranted 2025-12-09