Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3RDG callsign genealogy
Currently held by Graham Jr, Robert 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 W3RDG's current licensee, walking backwards.
- Graham Jr, Robert DPAgranted 2012-02-14cancelled 2013-10-17
Successor callsigns
Callsigns held now by people who previously held W3RDG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3RDG, oldest first.
- READING WORKS ARC PA2001-06-05 → cancelled 2013-06-06
- Graham Jr, Robert D OH2023-09-07 active