Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3GJR callsign genealogy
Currently held by Rock, Gregory J
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 W3GJR's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W3GJR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3GJR, oldest first.
- STEIN, CHARLES AZ2003-02-07 → cancelled 2015-02-10
- Rock, Gregory J PA2021-06-11 active