Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO4PZ callsign genealogy
Currently held by MINNICH, DAVID D
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 KO4PZ's current licensee, walking backwards.
- Silvers, Steven WFLgranted 2026-06-09cancelled 2026-07-07
Successor callsigns
Callsigns held now by people who previously held KO4PZ.
- Silvers, Steven WFLgranted 2026-08-04
All historical holders
Every license row we've seen with the callsign KO4PZ, oldest first.
- MINNICH, DAVID D VA2013-02-20 → cancelled 2025-04-08
- Silvers, Steven W FL2026-07-07 → cancelled 2026-08-04