Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB0IZS callsign genealogy
Currently held by Lutz, Jeff R
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 WB0IZS's current licensee, walking backwards.
- Lutz, Jeff RORgranted 2019-10-25cancelled 2021-06-04
Successor callsigns
Callsigns held now by people who previously held WB0IZS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB0IZS, oldest first.
- LUTZ, CLARENCE W IA1994-07-28 → cancelled 2006-07-29
- Lutz, Jeff R IA2021-06-04 active