Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6DWH callsign genealogy
Currently held by Hightower, David
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 W6DWH's current licensee, walking backwards.
- Hightower, DavidCAgranted 2014-04-23cancelled 2014-05-23
Successor callsigns
Callsigns held now by people who previously held W6DWH.
- Hightower, DavidCAgranted 2014-05-23cancelled 2022-06-22
All historical holders
Every license row we've seen with the callsign W6DWH, oldest first.
- MILLIGAN, ROBERT W CA1999-02-23 → cancelled 2008-06-26
- Hightower, David CA2014-05-23 → cancelled 2022-06-02