Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7JDR callsign genealogy
Currently held by Robertson, James 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 W7JDR's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W7JDR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7JDR, oldest first.
- Robertson, James D MT2003-08-19 → cancelled 2015-08-20
- Rhoades, Jonathan D WY2016-03-18 active