Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7DYB callsign genealogy
Currently held by Dybdahl, Eric T
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 W7DYB's current licensee, walking backwards.
- Dybdahl, Eric TWAgranted 2018-02-02cancelled 2018-02-23
Successor callsigns
Callsigns held now by people who previously held W7DYB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7DYB, oldest first.
- SMITH, DENNIS D WA1993-04-13 → cancelled 2005-04-14
- Dybdahl, Eric T OR2018-02-23 active