Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NA4DR callsign genealogy
Currently held by RENALDS, DOUGLAS C
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 NA4DR's current licensee, walking backwards.
- RENALDS, DOUGLAS CVAgranted 2021-09-14cancelled 2024-10-18
Successor callsigns
Callsigns held now by people who previously held NA4DR.
- RENALDS, DOUGLAS CVAgranted 2026-08-04
All historical holders
Every license row we've seen with the callsign NA4DR, oldest first.
- Dataradio Employee ARC GA2002-03-08 → cancelled 2014-03-11
- RENALDS, DOUGLAS C VA2024-10-18 → cancelled 2026-08-04