Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9DLZ callsign genealogy
Currently held by Lancaster, David B
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 W9DLZ's current licensee, walking backwards.
- Lancaster, David BILgranted 2020-06-19cancelled 2020-07-28
Successor callsigns
Callsigns held now by people who previously held W9DLZ.
- Lancaster, David BILgranted 2025-04-26