Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB2ZSB callsign genealogy
Currently held by FREEDMAN, MARK A
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 WB2ZSB's current licensee, walking backwards.
- FREEDMAN, MARKGAgranted 2025-02-05cancelled 2025-02-25
Successor callsigns
Callsigns held now by people who previously held WB2ZSB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB2ZSB, oldest first.
- FREEDMAN, MARK A CA1998-02-26 → cancelled 2010-02-27
- FREEDMAN, MARK GA2025-02-25 active