Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4PDH callsign genealogy
Currently held by HAMILTON II, PHILLIPS D
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 N4PDH's current licensee, walking backwards.
- HAMILTON II, PHILLIPS DGAgranted 2000-10-25cancelled 2001-03-30
Successor callsigns
Callsigns held now by people who previously held N4PDH.
No current licensee on record previously held this callsign.