Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8DYZ callsign genealogy
Currently held by KENNING, HERMAN H
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 W8DYZ's current licensee, walking backwards.
- Swartz, Joseph COHgranted 2018-08-23cancelled 2018-12-11
Successor callsigns
Callsigns held now by people who previously held W8DYZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8DYZ, oldest first.
- KENNING, HERMAN H OH2005-01-25 → cancelled 2017-04-22
- Swartz, Joseph C OH2018-12-11 active