Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1DYB callsign genealogy
Currently held by WENNBERG, KENNETH L
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 N1DYB's current licensee, walking backwards.
- Youngberg, David CWAgranted 2017-07-24cancelled 2021-11-23
Successor callsigns
Callsigns held now by people who previously held N1DYB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1DYB, oldest first.
- WENNBERG, KENNETH L RI2001-12-08 → cancelled 2014-01-22
- Youngberg, David C WA2021-11-23 active