Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB0ZIM callsign genealogy
Currently held by Hubbell Jr, Bill J
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 KB0ZIM's current licensee, walking backwards.
- Hubbell Jr, Bill JNEgranted 2021-10-05cancelled 2021-10-23
Successor callsigns
Callsigns held now by people who previously held KB0ZIM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB0ZIM, oldest first.
- HUBBELL, BILL J NE1997-01-09 → cancelled 2009-01-10
- Hubbell Jr, Bill J NE2021-10-23 active