Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DPK callsign genealogy
Currently held by CHOWNING, LOUIS D
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 W4DPK's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W4DPK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4DPK, oldest first.
- CHOWNING, LOUIS D FL2011-11-22 → cancelled 2024-01-12
- Flanary, Steven VA2025-04-08 active