Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W2SDK callsign genealogy
Currently held by Kessler, Sean
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 W2SDK's current licensee, walking backwards.
- Kessler, SeanNYgranted 2011-06-16cancelled 2011-07-06
Successor callsigns
Callsigns held now by people who previously held W2SDK.
No current licensee on record previously held this callsign.