Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W2ADK callsign genealogy
Currently held by Hahn, David W
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 W2ADK's current licensee, walking backwards.
- Hahn, David WNYgranted 2022-03-09cancelled 2022-03-29
Successor callsigns
Callsigns held now by people who previously held W2ADK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W2ADK, oldest first.
- SUNDBERG, ALFRED A NJ1995-04-03 → cancelled 2007-04-04
- Sheffield, James R NH2009-10-14 → cancelled 2021-10-15
- Hahn, David W NY2022-03-29 active