Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4DMO callsign genealogy
Currently held by O STEEN SR, DAVID M
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 W4DMO's current licensee, walking backwards.
- O STEEN SR, DAVID MFLgranted 2025-12-23
Successor callsigns
Callsigns held now by people who previously held W4DMO.
- O STEEN SR, DAVID MFLgranted 2025-12-23