Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W2DCN callsign genealogy
Currently held by Neiderbach, David C
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 W2DCN's current licensee, walking backwards.
- Neiderbach, David CNYgranted 2012-04-10cancelled 2012-09-07
Successor callsigns
Callsigns held now by people who previously held W2DCN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W2DCN, oldest first.
- WINNICKY, ADOLPH P NJ1996-08-14 → cancelled 2008-08-15
- Neiderbach, David C NY2022-10-29 active