Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4SOL callsign genealogy
Currently held by Patterson, James T
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 KB4SOL's current licensee, walking backwards.
- Patterson, James TTNgranted 2009-07-15cancelled 2009-08-04
Successor callsigns
Callsigns held now by people who previously held KB4SOL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4SOL, oldest first.
- PATTERSON, JAMES T TN1997-03-05 → cancelled 2009-03-06
- Patterson, James T TN2020-03-11 active