Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0CTU callsign genealogy
Currently held by JOSEPH, PATRICK P
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 K0CTU's current licensee, walking backwards.
- JOSEPH, PATRICK PNEgranted 1998-03-19cancelled 2003-03-21
Successor callsigns
Callsigns held now by people who previously held K0CTU.
No current licensee on record previously held this callsign.