Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WW7X callsign genealogy
Currently held by SPERRY, BEN U
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 WW7X's current licensee, walking backwards.
- Olson, BenjaminWAgranted 2025-04-24cancelled 2026-03-24
Successor callsigns
Callsigns held now by people who previously held WW7X.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WW7X, oldest first.
- SPERRY, BEN U AL2013-10-22 → cancelled 2026-03-06
- Olson, Benjamin WA2026-03-24 active