Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0EIZ callsign genealogy
Currently held by Jacobson, Christopher J
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 N0EIZ's current licensee, walking backwards.
- Jacobson, Christopher JMNgranted 2002-10-10cancelled 2004-03-31
Successor callsigns
Callsigns held now by people who previously held N0EIZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0EIZ, oldest first.
- CAHHAL, DOUGLAS C CA1989-05-23 → cancelled 2001-05-24
- Jacobson, Christopher J MN2024-03-14 active