Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WI8Z callsign genealogy
Currently held by Klopping, Jeffery N
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 WI8Z's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WI8Z.
- Klopping, Jeffery NOHgranted 2017-01-30
All historical holders
Every license row we've seen with the callsign WI8Z, oldest first.
- KRALL SR, RICHARD L MI1988-07-26 → cancelled 2000-07-27
- Klopping, Jeffery N OH2007-03-06 → cancelled 2007-04-07
- ARENAC STANDISH EMERGENCY COMMUNICATION ASSOCIATION MI2009-06-19 → cancelled 2021-06-22
- Falotico, Andres J FL2021-09-03 active