Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NU7R callsign genealogy
Currently held by ROSSOW, CURTIS A
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 NU7R's current licensee, walking backwards.
- BANISTER, JAMES MMTgranted 2016-09-19cancelled 2019-10-18
Successor callsigns
Callsigns held now by people who previously held NU7R.
- GASPAR, WARREN ECOgranted 2017-09-29
All historical holders
Every license row we've seen with the callsign NU7R, oldest first.
- ROSSOW, CURTIS A AZ2001-01-20 → cancelled 2013-01-23
- GASPAR, WARREN E CO2013-02-26 → cancelled 2017-09-29
- BANISTER, JAMES M MT2019-10-18 active