Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD5CYU callsign genealogy
Currently held by PORCIAU, RICHARD L
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 KD5CYU's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD5CYU.
- W5DOWactiveDOW AMATEUR RADIO CLUBLAgranted 2018-03-06