Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5DSG callsign genealogy
Currently held by BULMAHN, FRANKLIN H
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 W5DSG's current licensee, walking backwards.
- GORE, DAVID SLAgranted 2004-11-16cancelled 2004-12-07
Successor callsigns
Callsigns held now by people who previously held W5DSG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5DSG, oldest first.
- BULMAHN, FRANKLIN H TX1991-12-17 → cancelled 2003-12-18
- Gore, David S LA2025-05-06 active