Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4PRG callsign genealogy
Currently held by GRAHAM, PHILIP 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 N4PRG's current licensee, walking backwards.
- GRAHAM, PHILIP RGAgranted 2017-03-30cancelled 2017-05-06
Successor callsigns
Callsigns held now by people who previously held N4PRG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4PRG, oldest first.
- THOMPSON, LARRY E KY1997-02-25 → cancelled 2009-02-26
- GRAHAM, PHILIP R GA2017-05-06 active