Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7JBL callsign genealogy
Currently held by Lummel, James B
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 W7JBL's current licensee, walking backwards.
- Lummel, James BAZgranted 2018-04-30cancelled 2018-05-22
Successor callsigns
Callsigns held now by people who previously held W7JBL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7JBL, oldest first.
- Lebon, Jean B MO2001-08-24 → cancelled 2013-08-27
- Lummel, James B AZ2018-05-22 active