Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9ZOC callsign genealogy
Currently held by Zochert, John P
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 W9ZOC's current licensee, walking backwards.
- Zochert, John PWIgranted 2014-02-24cancelled 2014-03-14
Successor callsigns
Callsigns held now by people who previously held W9ZOC.
- Zochert, John PWIgranted 2021-01-19