Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4KPH callsign genealogy
Currently held by Heinz, Kenneth P
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 K4KPH's current licensee, walking backwards.
- Heinz, Kenneth PVAgranted 2011-04-26cancelled 2019-02-09
- WA3RJWno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K4KPH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4KPH, oldest first.
- NAGATA, WILLIAM S FL2002-02-20 → cancelled 2014-05-20
- Heinz, Kenneth P VA2019-02-09 active