Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7KJB callsign genealogy
Currently held by OHLIN, CARL S
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 W7KJB's current licensee, walking backwards.
- DIMANNO, JOHN PGAgranted 2010-11-19cancelled 2017-08-18
Successor callsigns
Callsigns held now by people who previously held W7KJB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7KJB, oldest first.
- OHLIN, CARL S CA1991-11-26 → cancelled 2003-11-27
- DIMANNO, JOHN P GA2017-08-18 active