Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7JBL callsign genealogy
Currently held by Lewis, John 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 K7JBL's current licensee, walking backwards.
- Williamson, Phillip AWAgranted 2016-04-08cancelled 2016-06-03
Successor callsigns
Callsigns held now by people who previously held K7JBL.
- Lewis, John BTXgranted 2006-11-25cancelled 2018-11-27
All historical holders
Every license row we've seen with the callsign K7JBL, oldest first.
- Lewis, John B TX2000-09-06 → cancelled 2006-11-25
- Williamson, Phillip A OR2026-04-07 active