Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WW4JPH callsign genealogy
Currently held by Halphen, Jean Philippe F
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 WW4JPH's current licensee, walking backwards.
- Halphen, Jean Philippe FNYgranted 2000-08-15cancelled 2007-04-03
Successor callsigns
Callsigns held now by people who previously held WW4JPH.
No current licensee on record previously held this callsign.