Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4PYS callsign genealogy
Currently held by NIX, RONNIE B
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 KF4PYS's current licensee, walking backwards.
- Nix, Ronnie BSCgranted 2022-09-07cancelled 2022-09-27
Successor callsigns
Callsigns held now by people who previously held KF4PYS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4PYS, oldest first.
- NIX, RONNIE B SC2007-06-06 → cancelled 2019-03-21
- Nix, Ronnie B SC2022-09-27 active