Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4PIO callsign genealogy
Currently held by Fournier Jr, Thomas 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 W4PIO's current licensee, walking backwards.
- Fournier Jr, Thomas RVAgranted 2010-05-24cancelled 2013-06-28
Successor callsigns
Callsigns held now by people who previously held W4PIO.
No current licensee on record previously held this callsign.