Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WU3W callsign genealogy
Currently held by GROFF, DONALD E
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 WU3W's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WU3W.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WU3W, oldest first.
- GROFF, DONALD E PA2012-01-18 → cancelled 2024-01-30
- RUSCITO JR, JOSEPH M MD2024-03-15 active