Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3JRG callsign genealogy
Currently held by Geisler, John R
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 W3JRG's current licensee, walking backwards.
- GREY JR, ROBERT CDEgranted 2023-07-04cancelled 2024-09-21
Successor callsigns
Callsigns held now by people who previously held W3JRG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3JRG, oldest first.
- Geisler, John R PA2010-02-09 → cancelled 2022-02-10
- GREY JR, ROBERT C DE2024-09-21 active