Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4PIZ callsign genealogy
Currently held by Baker, Paul 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 K4PIZ's current licensee, walking backwards.
- Baker, Paul RPAgranted 2001-09-21cancelled 2011-03-12
Successor callsigns
Callsigns held now by people who previously held K4PIZ.
- Baker, Paul RPAgranted 2022-08-23