Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4FPU callsign genealogy
Currently held by Florida Polytechnic IEEE RF Committee
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 W4FPU's current licensee, walking backwards.
- KO4CDHcancelledFlorida Polytechnic IEEE RF CommitteeFLgranted 2020-02-24cancelled 2020-03-17
Successor callsigns
Callsigns held now by people who previously held W4FPU.
No current licensee on record previously held this callsign.