Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4BBG callsign genealogy
Currently held by Ivy 747, David M
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 KZ4BBG's current licensee, walking backwards.
- IVY, DAVID MTNgranted 1991-06-11cancelled 2001-05-20
Successor callsigns
Callsigns held now by people who previously held KZ4BBG.
No current licensee on record previously held this callsign.