Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5PDR callsign genealogy
Currently held by DeRuiter, Phillip H
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 K5PDR's current licensee, walking backwards.
- DE RUITER, PHILLIP HMIgranted 1997-12-01cancelled 2004-12-07
Successor callsigns
Callsigns held now by people who previously held K5PDR.
No current licensee on record previously held this callsign.