Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7DAL callsign genealogy
Currently held by LIEN, DAVID A
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 W7DAL's current licensee, walking backwards.
- LIEN, DAVID AWAgranted 2008-07-14cancelled 2016-11-18
Successor callsigns
Callsigns held now by people who previously held W7DAL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7DAL, oldest first.
- Lund, Dallas A WA2013-05-02 → cancelled 2014-10-29
- LIEN, DAVID A WA2016-11-18 active