Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9FDA callsign genealogy
Currently held by LEWIS, DAVID O
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 W9FDA's current licensee, walking backwards.
- LEWIS, DAVID Ocancelled 1998-01-14
Successor callsigns
Callsigns held now by people who previously held W9FDA.
- LEWIS, DAVID OILgranted 2022-05-24