Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7FZY callsign genealogy
Currently held by Dahlberg, David 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 W7FZY's current licensee, walking backwards.
- Dahlberg, David LWAgranted 2015-06-04cancelled 2016-01-05
Successor callsigns
Callsigns held now by people who previously held W7FZY.
- Dahlberg, David LSCgranted 2021-11-27