Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0ZIP callsign genealogy
Currently held by HAYS, KATHY 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 N0ZIP's current licensee, walking backwards.
- MARLOW, JIMMYCOgranted 2015-12-22cancelled 2016-01-22
Successor callsigns
Callsigns held now by people who previously held N0ZIP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0ZIP, oldest first.
- HAYS, KATHY M CO2003-11-04 → cancelled 2015-11-04
- MARLOW, JIMMY CO2026-01-23 active