Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9EZB callsign genealogy
Currently held by Schwartz III, Joseph D
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 K9EZB's current licensee, walking backwards.
- SCHWARTZ III, JOSEPH DTNgranted 2001-07-18cancelled 2003-11-04
Successor callsigns
Callsigns held now by people who previously held K9EZB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9EZB, oldest first.
- SCHWARTZ, JOSEPH D WI1989-10-10 → cancelled 2001-10-11
- Schwartz III, Joseph D TN2015-01-03 active