Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7JB callsign genealogy
Currently held by BOOKOUT, 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 K7JB's current licensee, walking backwards.
- Roderick, Ren PWAgranted 2015-10-06cancelled 2018-06-29
Successor callsigns
Callsigns held now by people who previously held K7JB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7JB, oldest first.
- BOOKOUT, JOHN R OR2006-09-30 → cancelled 2016-06-09
- Roderick, Ren P WA2018-06-29 active