Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DJS callsign genealogy
Currently held by Sanders, Richard 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 W4DJS's current licensee, walking backwards.
- Sanders, Richard HFLgranted 2007-10-10cancelled 2017-09-16
Successor callsigns
Callsigns held now by people who previously held W4DJS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4DJS, oldest first.
- CALDOW, JOHN R AL2005-05-02 → cancelled 2017-03-14
- Sanders, Richard H FL2017-09-16 active