Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9DR callsign genealogy
Currently held by RIDGE, DAVID R
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 W9DR's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W9DR.
No current licensee on record previously held this callsign.