Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W2SAD callsign genealogy
Currently held by WARREN, HARRY S
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 W2SAD's current licensee, walking backwards.
- Dornseif, Scott AWIgranted 2019-09-12cancelled 2021-01-12
Successor callsigns
Callsigns held now by people who previously held W2SAD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W2SAD, oldest first.
- WARREN, HARRY S NJ2006-08-31 → cancelled 2018-11-30
- Dornseif, Scott A MN2021-01-12 active