Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4PPX callsign genealogy
Currently held by Yates, James R
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 KX4PPX's current licensee, walking backwards.
- Yates, James RFLgranted 2024-12-11cancelled 2025-02-11
Successor callsigns
Callsigns held now by people who previously held KX4PPX.
No current licensee on record previously held this callsign.