Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0WTF callsign genealogy
Currently held by MANGONE, PHILIP 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 KC0WTF's current licensee, walking backwards.
- DETERMANN, SCOTT AMOgranted 2016-02-23cancelled 2016-03-15
Successor callsigns
Callsigns held now by people who previously held KC0WTF.
- MANGONE, PHILIP JCOgranted 2025-01-28
All historical holders
Every license row we've seen with the callsign KC0WTF, oldest first.
- MANGONE, PHILIP J CO2006-01-06 → cancelled 2013-08-30
- DETERMANN, SCOTT A MO2026-01-31 active