Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9ZIP callsign genealogy
Currently held by SHREVES, JAMES M
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 K9ZIP's current licensee, walking backwards.
- Schnicke, JosephWIgranted 2017-07-10cancelled 2021-07-16
Successor callsigns
Callsigns held now by people who previously held K9ZIP.
- SHREVES, JAMES MCAgranted 2019-04-23
All historical holders
Every license row we've seen with the callsign K9ZIP, oldest first.
- SHREVES, JAMES M CA2010-08-03 → cancelled 2019-04-23
- Schnicke, Joseph WI2021-07-16 active