Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG4IZO callsign genealogy
Currently held by Jude, Howard T
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 KG4IZO's current licensee, walking backwards.
- JUDE, HOWARD TKYgranted 1998-04-28cancelled 2000-08-11
Successor callsigns
Callsigns held now by people who previously held KG4IZO.
- JUDE, HOWARD TKYgranted 2006-04-18cancelled 2009-04-03