Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0ZIM callsign genealogy
Currently held by ZIMMERMAN, GARY B
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 W0ZIM's current licensee, walking backwards.
- Zimmerman, Gary BCOgranted 2008-10-14cancelled 2008-11-04
Successor callsigns
Callsigns held now by people who previously held W0ZIM.
No current licensee on record previously held this callsign.