Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5JDR callsign genealogy
Currently held by ROOP, JOHN D
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 K5JDR's current licensee, walking backwards.
- ROOP, JOHN DOKgranted 1993-08-10cancelled 2002-10-22
Successor callsigns
Callsigns held now by people who previously held K5JDR.
No current licensee on record previously held this callsign.