Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WN4YFD callsign genealogy
Currently held by Porth Jr, George J
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 WN4YFD's current licensee, walking backwards.
- PORTH JR, GEORGE JFLgranted 2000-03-30cancelled 2002-04-03
Successor callsigns
Callsigns held now by people who previously held WN4YFD.
- Porth, George JFLgranted 2022-10-04