Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7EOW callsign genealogy
Currently held by ZIMMERMAN, ROWLAND
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 N7EOW's current licensee, walking backwards.
- KUCK, JAMES KAZgranted 2016-01-20cancelled 2018-01-05
Successor callsigns
Callsigns held now by people who previously held N7EOW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7EOW, oldest first.
- ZIMMERMAN, ROWLAND AZ1988-03-29 → cancelled 2000-03-30
- Kuck, James K K AZ2018-01-05 active