Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ7N callsign genealogy
Currently held by CASSELL, IAN L S
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 KZ7N's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KZ7N.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KZ7N, oldest first.
- MARSHALL, DONALD R MT1989-12-12 → cancelled 2002-03-07
- CASSELL, IAN L S AZ2023-05-04 active