Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4GSD callsign genealogy
Currently held by DENSON, JAMES J
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 W4GSD's current licensee, walking backwards.
- Yates, Donald ACAgranted 2023-12-23cancelled 2024-08-23
Successor callsigns
Callsigns held now by people who previously held W4GSD.
- DAVENPORT, GARY SNCgranted 2019-08-13
All historical holders
Every license row we've seen with the callsign W4GSD, oldest first.
- DENSON, JAMES J AL2005-08-05 → cancelled 2017-09-14
- DAVENPORT, GARY S NC2018-09-28 → cancelled 2019-08-13
- Yates, Donald A CA2024-08-23 active