Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W2DS callsign genealogy
Currently held by SAFIRSTEIN, GEORGE R
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 W2DS's current licensee, walking backwards.
- VALEK, VACLAVILgranted 2023-03-10cancelled 2023-04-22
Successor callsigns
Callsigns held now by people who previously held W2DS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W2DS, oldest first.
- SAFIRSTEIN, GEORGE R FL2013-10-22 → cancelled 2021-03-31
- VALEK, VACLAV IL2023-04-22 active