Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7JBG callsign genealogy
Currently held by Grotte, John P
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 W7JBG's current licensee, walking backwards.
- Grotte, John PWAgranted 2018-05-07cancelled 2018-05-25
Successor callsigns
Callsigns held now by people who previously held W7JBG.
- Glass, Justin BALgranted 2026-04-25
All historical holders
Every license row we've seen with the callsign W7JBG, oldest first.
- Glass, Justin B AL2015-02-07 → cancelled 2016-04-12
- Grotte, John P WA2018-05-25 active