Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W2OIL callsign genealogy
Currently held by Vadney, David K
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 W2OIL's current licensee, walking backwards.
- Vadney Jr, David KNJgranted 2010-06-08cancelled 2012-02-10
Successor callsigns
Callsigns held now by people who previously held W2OIL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W2OIL, oldest first.
- Vadney, David K NJ2003-02-21 → cancelled 2010-04-18
- VADNEY JR, DAVID K NJ2022-01-20 active