Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W2DTB callsign genealogy
Currently held by Knopf, Kenneth J
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 W2DTB's current licensee, walking backwards.
- Knopf, Kenneth JNYgranted 2021-05-13cancelled 2021-06-04
Successor callsigns
Callsigns held now by people who previously held W2DTB.
No current licensee on record previously held this callsign.