Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NU7A callsign genealogy
Currently held by SUMARRAGA, JOSE B
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 NU7A's current licensee, walking backwards.
- Brenner, HowardWAgranted 2011-08-25cancelled 2012-02-11
Successor callsigns
Callsigns held now by people who previously held NU7A.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NU7A, oldest first.
- SUMARRAGA, JOSE B WA1999-11-06 → cancelled 2012-01-24
- Brenner, Howard WA2021-12-01 active