Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7COP callsign genealogy
Currently held by SWEISFURTH JR, RUDOLPH W
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 N7COP's current licensee, walking backwards.
- SWEISFURTH JR, RUDOLPH WAZgranted 2014-07-12cancelled 2015-04-24
Successor callsigns
Callsigns held now by people who previously held N7COP.
- Chasse, PaulMEgranted 2007-07-06cancelled 2016-01-22
All historical holders
Every license row we've seen with the callsign N7COP, oldest first.
- COWELL, ROBERT W AK1993-05-11 → cancelled 2005-05-12
- Chasse, Paul ME2006-10-31 → cancelled 2007-07-06
- SWEISFURTH JR, RUDOLPH W AZ2015-04-24 active