Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4PH callsign genealogy
Currently held by APPLETON, STEVEN T
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 K4PH's current licensee, walking backwards.
- APPLETON, STEVEN TNCgranted 2013-03-12cancelled 2016-12-10
Successor callsigns
Callsigns held now by people who previously held K4PH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4PH, oldest first.
- WEITZ, JOHN J GA2004-08-31 → cancelled 2016-11-22
- APPLETON, STEVEN T NC2016-12-10 active